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Area codes 630 and 331

Coordinates: 41°50′N 88°06′W / 41.833°N 88.100°W / 41.833; -88.100
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All NPAs within Illinois

Area codes 630 and 331 are telephone area codes in the North American Numbering Plan (NANP) for portions of Chicago's near and far western suburbs, including the majority of DuPage County, Illinois. To the northwest, the numbering plan area (NPA) also includes a small portion of Cook County, including parts of Schaumburg, Streamwood and Hanover Park. To the west, Kane County is divided between area codes 847 and 224 in the north, including Elgin, and area codes 630 and 331 in the south, including Aurora. To the south, the northern part of Will County and a small part of southern Cook County, including the village of Burr Ridge and parts of the village of Lemont, are also included in the 630 and 331 area codes. To the southwest, the city of Yorkville, in exurban Kendall County, is included, as well.

Area code 630 is the parent area code of the numbering plan area, created in a three-way area code split of area code 708 on August 3, 1996, with the southern suburbs keeping 708 and the northern suburbs receiving 847. Within a decade, 630 was close to exhaustion due to the growth of the Chicago suburbs and the proliferation of cell phones and pagers. On October 7, 2007, area code 331 began overlaying area code 630, making ten-digit dialing mandatory in the area.

The Illinois side of the Chicago area–312/773/872, 708, 847/224, 630/331 and portions of 815/779–is one of the largest local calling areas in the United States; with few exceptions, no long-distance charges are applied from one portion of the metro area to another.[1]

Service area

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630 Prefixes

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The location of the area code and prefix shown in the table below are only an approximation because of local number portability (LNP) rules, wireless devices and VoIP.

Prefix Location Service Provider Name [2] Operating Company Number (OCN) [2][3][4][5] Notes [2]
201 NAPERVILLE, IL T-MOBILE USA, INC.
202 Illinois T-MOBILE USA, INC.
203 HINSDALE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
204 Illinois CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
205 Illinois T-MOBILE USA, INC.
206 WEST CHICAGO, IL LEVEL 3 COMMUNICATIONS, LLC - IL
207 HINSDALE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
208 GENEVA, IL ILLINOIS BELL TEL CO
209 HINSDALE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
210 NAPERVILLE, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
211 No Assigned Location Possibly due to N11 code
212 Illinois NEW CINGULAR WIRELESS PCS, LLC - IL
213 BARTLETT, IL ILLINOIS BELL TEL CO
214 HINSDALE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
215 Illinois NEW CINGULAR WIRELESS PCS, LLC - IL
216 BIG ROCK, IL RCN TELECOM SERVICES OF ILLINIOS, INC. - IL
217 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
218 HINSDALE, IL ILLINOIS BELL TEL CO
219 NAPERVILLE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
220 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
221 WHEATON, IL ILLINOIS BELL TEL CO
222 Illinois CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
223 Illinois USA MOBILITY WIRELESS, INC.
224 NAPERVILLE, IL ILLINOIS BELL TEL CO
225 WARRENVILLE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
226 LEMONT, IL ILLINOIS BELL TEL CO
227 BENSENVILLE, IL ILLINOIS BELL TEL CO
228 ITASCA, IL LEVEL 3 COMMUNICATIONS, LLC - IL
229 AURORA, IL COMCAST IP PHONE, LLC
230 HINSDALE, IL ILLINOIS BELL TEL CO
231 WEST CHICAGO, IL ILLINOIS BELL TEL CO
232 GENEVA, IL ILLINOIS BELL TEL CO
233 BARTLETT, IL PAETEC ITEL, LLC
234 WEST CHICAGO, IL NEW CINGULAR WIRELESS PCS, LLC - IL
235 Illinois NEW CINGULAR WIRELESS PCS, LLC - IL
236 AURORA, IL ILLINOIS BELL TEL CO
237 ROSELLE, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
238 BENSENVILLE, IL ILLINOIS BELL TEL CO
239 BATAVIA, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
240 Illinois NEW CINGULAR WIRELESS PCS, LLC - IL
241 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
242 HINSDALE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
243 LEMONT, IL ILLINOIS BELL TEL CO
244 Illinois NEW CINGULAR WIRELESS PCS, LLC - IL
245 NAPERVILLE, IL ILLINOIS BELL TEL CO
246 BARTLETT, IL LEVEL 3 COMMUNICATIONS, LLC - IL
247 HINSDALE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
248 Illinois NEW CINGULAR WIRELESS PCS, LLC - IL
249 Illinois USA MOBILITY WIRELESS, INC.
250 ITASCA, IL ILLINOIS BELL TEL CO
251 WEST CHICAGO, IL NEW CINGULAR WIRELESS PCS, LLC - IL
252 LEMONT, IL ILLINOIS BELL TEL CO
253 NEW CINGULAR WIRELESS PCS, LLC - IL
254 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
255 USA MOBILITY WIRELESS, INC.
256 AURORA, IL ILLINOIS BELL TEL CO
257 LEMONT, IL ILLINOIS BELL TEL CO
258 NEW CINGULAR WIRELESS PCS, LLC - IL
259 ROSELLE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
260 WHEATON, IL ILLINOIS BELL TEL CO
261 LOMBARD, IL ILLINOIS BELL TEL CO
262 GENEVA, IL ILLINOIS BELL TEL CO
263 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
264 AURORA, IL ILLINOIS BELL TEL CO
265 AMERICAN MESSAGING SERVICES, LLC
266 USA MOBILITY WIRELESS, INC.
267 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
268 LOMBARD, IL ILLINOIS BELL TEL CO
269 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
270 AURORA, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
271 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
272 HINSDALE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
273 PLANO, IL FIRST COMMUNICATIONS, LLC
274 BENSENVILLE, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
275 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
276 NAPERVILLE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
277 SUGAR GROVE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
278 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
279 ELMHURST, IL ILLINOIS BELL TEL CO
280 HINSDALE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
281 NAPERVILLE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
282 LOMBARD, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
283 ROSELLE, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
284 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
285 ITASCA, IL ILLINOIS BELL TEL CO
286 HINSDALE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
287 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
288 HINSDALE, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
289 BARTLETT, IL ILLINOIS BELL TEL CO
290 LOMBARD, IL T-MOBILE USA, INC.
291 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
292 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
293 WEST CHICAGO, IL ILLINOIS BELL TEL CO
294 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
295 ROSELLE, IL ILLINOIS BELL TEL CO
296 LEMONT, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
297 DOWNERS GROVE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
298 AMERICAN MESSAGING SERVICES, LLC
299 AURORA, IL LEVEL 3 COMMUNICATIONS, LLC - IL
300 NAPERVILLE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
301 AURORA, IL RCN TELECOM SERVICES OF ILLINIOS, INC. - IL
302 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
303 NAPERVILLE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
304 INDIANA PAGING NETWORK, INC.
305 NAPERVILLE, IL ILLINOIS BELL TEL CO
306 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
307 ROSELLE, IL ILLINOIS BELL TEL CO
308 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
309 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
310 DOWNERS GROVE, IL RCN TELECOM SERVICES OF ILLINIOS, INC. - IL
311 No Assigned Location Possibly due to N11 code
312 LEMONT, IL ILLINOIS BELL TEL CO
313 GENEVA, IL RCN TELECOM SERVICES OF ILLINIOS, INC. - IL
314 ROSELLE, IL ILLINOIS BELL TEL CO
315 WHEATON, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
316 AMERICAN MESSAGING SERVICES, LLC
317 LOMBARD, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
318 BIG ROCK, IL LEVEL 3 COMMUNICATIONS, LLC - IL
319 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
320 HINSDALE, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
321 HINSDALE, IL ILLINOIS BELL TEL CO
322 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
323 HINSDALE, IL ILLINOIS BELL TEL CO
324 DOWNERS GROVE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
325 HINSDALE, IL ILLINOIS BELL TEL CO
326 BATAVIA, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
327 T-MOBILE USA, INC.
328 NAPERVILLE, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
329 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
330 ELMHURST, IL METROPCS, INC.
331 ELMHURST, IL ONVOY, LLC
332 PLANO, IL PAETEC ITEL, LLC
333 ELMHURST, IL METROPCS, INC.
334 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
335 NAPERVILLE, IL T-MOBILE USA, INC.
336 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
337 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
338 SAINT CHARLES, IL NEW CINGULAR WIRELESS PCS, LLC - IL
339 ROSELLE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
340 AURORA, IL T-MOBILE USA, INC.
341 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
342 USA MOBILITY WIRELESS, INC.
343 LEMONT, IL AT&T - LOCAL
344 WHEATON, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
345 GENEVA, IL ILLINOIS BELL TEL CO
346 WEST CHICAGO, IL NEW CINGULAR WIRELESS PCS, LLC - IL
347 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
348 GLEN ELLYN, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
349 ELMHURST, IL VONAGE AMERICA LLC
350 BENSENVILLE, IL ILLINOIS BELL TEL CO
351 ROSELLE, IL ILLINOIS BELL TEL CO
352 NAPERVILLE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
353 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
354 BENSENVILLE, IL PAETEC ITEL, LLC
355 NAPERVILLE, IL ILLINOIS BELL TEL CO
356 USA MOBILITY WIRELESS, INC.
357 NAPERVILLE, IL ILLINOIS BELL TEL CO
358 KANEVILLE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
359 ELMHURST, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
360 SUGAR GROVE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
361 ITASCA, IL METROPCS, INC.
362 NAPERVILLE, IL T-MOBILE USA, INC.
363 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
364 NAPERVILLE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
365 ELBURN, IL ILLINOIS BELL TEL CO
366 HINSDALE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
367 USA MOBILITY WIRELESS, INC.
368 HINSDALE, IL ILLINOIS BELL TEL CO
369 NAPERVILLE, IL ILLINOIS BELL TEL CO
370 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
371 HINSDALE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
372 BARTLETT, IL ILLINOIS BELL TEL CO
373 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
374 NAPERVILLE, IL USA MOBILITY WIRELESS, INC.
375 AURORA, IL ILLINOIS BELL TEL CO
376 LOMBARD, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
377 SAINT CHARLES, IL ILLINOIS BELL TEL CO
378 LEMONT, IL ILLINOIS BELL TEL CO
379 ELMHURST, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
380 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
381 YORKVILLE, IL ILLINOIS BELL TEL CO
382 HINSDALE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
383 OSWEGO, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
384 WHEATON, IL ILLINOIS BELL TEL CO
385 YORKVILLE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
386 WEST CHICAGO, IL NEW CINGULAR WIRELESS PCS, LLC - IL
387 ELBURN, IL FIRST COMMUNICATIONS, LLC
388 NAPERVILLE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
389 BATAVIA, IL LEVEL 3 COMMUNICATIONS, LLC - IL
390 DOWNERS GROVE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
391 SUGAR GROVE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
392 NAPERVILLE, IL T-MOBILE USA, INC.
393 WARRENVILLE, IL ILLINOIS BELL TEL CO
394 KANEVILLE, IL BANDWIDTH.COM CLEC, LLC - IL
395 DOWNERS GROVE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
396 LOMBARD, IL RCN TELECOM SERVICES OF ILLINIOS, INC. - IL
397 GENEVA, IL PAETEC ITEL, LLC
398 BARTLETT, IL NEW CINGULAR WIRELESS PCS, LLC - IL
399 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
400 T-MOBILE USA, INC.
401 AURORA, IL T-MOBILE USA, INC.
402 GENEVA, IL COMCAST IP PHONE, LLC
403 GLEN ELLYN, IL PAETEC ITEL, LLC
404 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
405 AURORA, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
406 BATAVIA, IL ILLINOIS BELL TEL CO
407 WHEATON, IL ILLINOIS BELL TEL CO
408 HINSDALE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
409 SUGAR GROVE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
410 LEMONT, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
411 No Assigned Location Possibly due to N11 code
412 BENSENVILLE, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
413 HINSDALE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
414 WEST CHICAGO, IL NEW CINGULAR WIRELESS PCS, LLC - IL
415 ELMHURST, IL ILLINOIS BELL TEL CO
416 NAPERVILLE, IL ILLINOIS BELL TEL CO
417 T-MOBILE USA, INC.
418 HINSDALE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
419 USA MOBILITY WIRELESS, INC.
420 NAPERVILLE, IL ILLINOIS BELL TEL CO
421 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
422 BENSENVILLE, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
423 AURORA, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
424 LOMBARD, IL ILLINOIS BELL TEL CO
425 BATAVIA, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
426 LOMBARD, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
427 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
428 NAPERVILLE, IL ILLINOIS BELL TEL CO
429 AURORA, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
430 T-MOBILE USA, INC.
431 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
432 DOWNERS GROVE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
433 ELMHURST, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
434 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
435 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
436 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
437 DOWNERS GROVE, IL PAETEC ITEL, LLC
438 ITASCA, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
439 ROSELLE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
440 WEST CHICAGO, IL T-MOBILE USA, INC.
441 DOWNERS GROVE, IL AT&T - LOCAL
442 DOWNERS GROVE, IL AT&T - LOCAL
443 SAINT CHARLES, IL ILLINOIS BELL TEL CO
444 SAINT CHARLES, IL ILLINOIS BELL TEL CO
445 NAPERVILLE, IL AT&T - LOCAL
446 GLEN ELLYN, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
447 WARRENVILLE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
448 ELBURN, IL LEVEL 3 COMMUNICATIONS, LLC - IL
449 AURORA, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
450 AURORA, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
451 BENSENVILLE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
452 T-MOBILE USA, INC.
453 NAPERVILLE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
454 BATAVIA, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
455 HINSDALE, IL ILLINOIS BELL TEL CO
456 WHEATON, IL AT&T - LOCAL
457 GENEVA, IL LEVEL 3 COMMUNICATIONS, LLC - IL
458 ELMHURST, IL ILLINOIS BELL TEL CO
459 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
460 NEW CINGULAR WIRELESS PCS, LLC - IL
461 ROSELLE, IL METROPCS, INC.
462 WHEATON, IL ILLINOIS BELL TEL CO
463 GENEVA, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
464 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
465 SUGAR GROVE, IL BANDWIDTH.COM CLEC, LLC - IL
466 SUGAR GROVE, IL ILLINOIS BELL TEL CO
467 ITASCA, IL ILLINOIS BELL TEL CO
468 HINSDALE, IL RCN TELECOM SERVICES OF ILLINIOS, INC. - IL
469 GLEN ELLYN, IL ILLINOIS BELL TEL CO
470 NAPERVILLE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
471 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
472 HINSDALE, IL ILLINOIS BELL TEL CO
473 WEST CHICAGO, IL COMCAST IP PHONE, LLC
474 GLEN ELLYN, IL COMCAST IP PHONE, LLC
475 BENSENVILLE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
476 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
477 BENSENVILLE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
478 ELMHURST, IL AT&T - LOCAL
479 T-MOBILE USA, INC.
480 WHEATON, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
481 HINSDALE, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
482 BATAVIA, IL ILLINOIS BELL TEL CO
483 BARTLETT, IL ILLINOIS BELL TEL CO
484 HINSDALE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
485 SAINT CHARLES, IL PAETEC ITEL, LLC
486 AURORA, IL AT&T CORP.
487 DOWNERS GROVE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
488 SAINT CHARLES, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
489 LOMBARD, IL ONVOY, LLC
490 TELEPORT COMMUNICATIONS AMERICA, LLC - IL
491 ELMHURST, IL PEERLESS NETWORK OF ILLINOIS, LLC - IL
492 GENEVA, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
493 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
494 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
495 LOMBARD, IL ILLINOIS BELL TEL CO
496 BENSENVILLE, IL PAETEC ITEL, LLC
497 ILLINOIS BELL TEL CO
498 USA MOBILITY WIRELESS, INC.
499 AURORA, IL ILLINOIS BELL TEL CO
501 ELMHURST, IL COMCAST IP PHONE, LLC
502 NEW CINGULAR WIRELESS PCS, LLC - IL
503 TELEPORT COMMUNICATIONS AMERICA, LLC - IL
504 BARTLETT, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
505 NAPERVILLE, IL ILLINOIS BELL TEL CO
506 AURORA, IL T-MOBILE USA, INC.
507 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
509 BENSENVILLE, IL AT&T - LOCAL
510 WHEATON, IL ILLINOIS BELL TEL CO
511 No Assigned Location Possibly due to N11 code
512 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
513 SAINT CHARLES, IL ILLINOIS BELL TEL CO
514 T-MOBILE USA, INC.
515 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
516 ELMHURST, IL ILLINOIS BELL TEL CO
517 WHEATON, IL LEVEL 3 COMMUNICATIONS, LLC - IL
518 AURORA, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
519 LOMBARD, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
520 WEST CHICAGO, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
521 BENSENVILLE, IL ILLINOIS BELL TEL CO
522 HINSDALE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
523 ROSELLE, IL PAETEC ITEL, LLC
524 SAINT CHARLES, IL LEVEL 3 COMMUNICATIONS, LLC - IL
525 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
526 BATAVIA, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
527 NAPERVILLE, IL ILLINOIS BELL TEL CO
528 HINSDALE, IL FIRST COMMUNICATIONS, LLC
529 ROSELLE, IL ILLINOIS BELL TEL CO
530 ELMHURST, IL ILLINOIS BELL TEL CO
531 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
532 ELMHURST, IL PAETEC ITEL, LLC
533 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
534 GLEN ELLYN, IL PAETEC ITEL, LLC
535 INDIANA PAGING NETWORK, INC.
536 NAPERVILLE, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
537 HINSDALE, IL ILLINOIS BELL TEL CO
538 SUGAR GROVE, IL T-MOBILE USA, INC.
539 ROSELLE, IL ILLINOIS BELL TEL CO
540 BARTLETT, IL ILLINOIS BELL TEL CO
541 DOWNERS GROVE, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
542 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
543 ELMHURST, IL ILLINOIS BELL TEL CO
544 NAPERVILLE, IL PAETEC ITEL, LLC
545 GLEN ELLYN, IL ILLINOIS BELL TEL CO
546 ELMHURST, IL METROPCS, INC.
547 GLEN ELLYN, IL LEVEL 3 COMMUNICATIONS, LLC - IL
548 NAPERVILLE, IL ILLINOIS BELL TEL CO
549 SAINT CHARLES, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
550 BARTLETT, IL PAETEC ITEL, LLC
551 OSWEGO, IL ILLINOIS BELL TEL CO
552 PLANO, IL ILLINOIS BELL TEL CO
553 YORKVILLE, IL ILLINOIS BELL TEL CO
554 OSWEGO, IL ILLINOIS BELL TEL CO
555 No Assigned Location See 555 (telephone number)
556 BIG ROCK, IL ILLINOIS BELL TEL CO
557 KANEVILLE, IL ILLINOIS BELL TEL CO
558 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
559 ELMHURST, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
560 HINSDALE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
561 NEW CINGULAR WIRELESS PCS, LLC - IL
562 WEST CHICAGO, IL ILLINOIS BELL TEL CO
563 ELMHURST, IL LEVEL 3 COMMUNICATIONS, LLC - IL
564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
565 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
566 AURORA, IL LEVEL 3 COMMUNICATIONS, LLC - IL
567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
568 HINSDALE, IL AT&T - LOCAL
569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
570 HINSDALE, IL PAETEC ITEL, LLC
571 HINSDALE, IL ILLINOIS BELL TEL CO
572 HINSDALE, IL ILLINOIS BELL TEL CO
573 HINSDALE, IL ILLINOIS BELL TEL CO
574 HINSDALE, IL ILLINOIS BELL TEL CO
575 HINSDALE, IL ILLINOIS BELL TEL CO
576 LOMBARD, IL PAETEC ITEL, LLC
577 NAPERVILLE, IL ILLINOIS BELL TEL CO
578 GENEVA, IL LEVEL 3 COMMUNICATIONS, LLC - IL
579 NAPERVILLE, IL ILLINOIS BELL TEL CO
580 WHEATON, IL PAETEC ITEL, LLC
581 HINSDALE, IL AT&T - LOCAL
582 ROSELLE, IL ILLINOIS BELL TEL CO
583 USA MOBILITY WIRELESS, INC.
584 SAINT CHARLES, IL ILLINOIS BELL TEL CO
585 AURORA, IL ILLINOIS BELL TEL CO
586 HINSDALE, IL ILLINOIS BELL TEL CO
587 SAINT CHARLES, IL ILLINOIS BELL TEL CO
588 WHEATON, IL ILLINOIS BELL TEL CO
589 ELMHURST, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
590 HINSDALE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
591 ILLINOIS BELL TEL CO
592 ELMHURST, IL LEVEL 3 COMMUNICATIONS, LLC - IL
593 BATAVIA, IL PAETEC ITEL, LLC
594 BENSENVILLE, IL PAETEC ITEL, LLC
595 BENSENVILLE, IL ILLINOIS BELL TEL CO
596 NAPERVILLE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
597 WHEATON, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
598 DOWNERS GROVE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
599 LOMBARD, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
600 ELMHURST, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
601 HINSDALE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
602 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
603 ROSELLE, IL ILLINOIS BELL TEL CO
604 WARRENVILLE, IL ONVOY, LLC
605 NAPERVILLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
606 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
607 ELMHURST, IL RCN TELECOM SERVICES OF ILLINIOS, INC. - IL
608 OSWEGO, IL LEVEL 3 COMMUNICATIONS, LLC - IL
609 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
610 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
611 No Assigned Location Possibly due to N11 code
612 ROSELLE, IL ILLINOIS BELL TEL CO
613 LOMBARD, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
614 WHEATON, IL FIRST COMMUNICATIONS, LLC
615 NAPERVILLE, IL FIRST COMMUNICATIONS, LLC
616 BENSENVILLE, IL ILLINOIS BELL TEL CO
617 ELMHURST, IL ILLINOIS BELL TEL CO
618 AURORA, IL T-MOBILE USA, INC.
619 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
620 LOMBARD, IL ILLINOIS BELL TEL CO
621 WEST CHICAGO, IL LEVEL 3 COMMUNICATIONS, LLC - IL
622 ROSELLE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
623 HINSDALE, IL ILLINOIS BELL TEL CO
624 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
625 ITASCA, IL PAETEC ITEL, LLC
626 ITASCA, IL LEVEL 3 COMMUNICATIONS, LLC - IL
627 LOMBARD, IL ILLINOIS BELL TEL CO
628 ELMHURST, IL ILLINOIS BELL TEL CO
629 LOMBARD, IL ILLINOIS BELL TEL CO
630 OSWEGO, IL FIRST COMMUNICATIONS, LLC
631 AURORA, IL PAETEC ITEL, LLC
632 HINSDALE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
633 LEMONT, IL PAETEC ITEL, LLC
634 ITASCA, IL AT&T - LOCAL
635 ROSELLE, IL AT&T - LOCAL
636 OSWEGO, IL FIRST COMMUNICATIONS, LLC
637 NAPERVILLE, IL ILLINOIS BELL TEL CO
638 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
639 WEST CHICAGO, IL PAETEC ITEL, LLC
640 NEW CINGULAR WIRELESS PCS, LLC - IL
641 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
642 HINSDALE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
643 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
644 BENSENVILLE, IL METROPCS, INC.
645 HINSDALE, IL ILLINOIS BELL TEL CO
646 NAPERVILLE, IL ILLINOIS BELL TEL CO
647 ITASCA, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
648 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
649 NAPERVILLE, IL ILLINOIS BELL TEL CO
650 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
651 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
652 LOMBARD, IL ILLINOIS BELL TEL CO
653 WHEATON, IL ILLINOIS BELL TEL CO
654 HINSDALE, IL ILLINOIS BELL TEL CO
655 HINSDALE, IL ILLINOIS BELL TEL CO
656 LOMBARD, IL T-MOBILE USA, INC.
657 WARRENVILLE, IL PAETEC ITEL, LLC
658 WARRENVILLE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
659 SAINT CHARLES, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
660 T-MOBILE USA, INC.
661 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
662 ILLINOIS BELL TEL CO
663 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
664 NAPERVILLE, IL T-MOBILE USA, INC.
665 WHEATON, IL ILLINOIS BELL TEL CO
666 ELMHURST, IL METROPCS, INC.
667 T-MOBILE USA, INC.
668 WHEATON, IL ILLINOIS BELL TEL CO
669 T-MOBILE USA, INC.
670 T-MOBILE USA, INC.
671 ROSELLE, IL ILLINOIS BELL TEL CO
672 ROSELLE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
673 T-MOBILE USA, INC.
674 T-MOBILE USA, INC.
675 ROSELLE, IL METROPCS, INC.
676 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
677 GENEVA, IL T-MOBILE USA, INC.
678 LOMBARD, IL ILLINOIS BELL TEL CO
679 LEMONT, IL ILLINOIS BELL TEL CO
680 AMERICAN MESSAGING SERVICES, LLC
681 WHEATON, IL ILLINOIS BELL TEL CO
682 WHEATON, IL ILLINOIS BELL TEL CO
683 USA MOBILITY WIRELESS, INC.
684 HINSDALE, IL ILLINOIS BELL TEL CO
685 LEMONT, IL LEVEL 3 COMMUNICATIONS, LLC - IL
686 HINSDALE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
687 NAPERVILLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
688 ELMHURST, IL METROPCS, INC.
689 NAPERVILLE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
690 WHEATON, IL ILLINOIS BELL TEL CO
691 LOMBARD, IL ILLINOIS BELL TEL CO
692 AURORA, IL ILLINOIS BELL TEL CO
693 LOMBARD, IL ILLINOIS BELL TEL CO
694 BENSENVILLE, IL ILLINOIS BELL TEL CO
696 NAPERVILLE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
697 T-MOBILE USA, INC.
698 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
699 NAPERVILLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
701 AURORA, IL T-MOBILE USA, INC.
702 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
703 HINSDALE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
704 AMERICAN MESSAGING SERVICES, LLC
705 LOMBARD, IL ILLINOIS BELL TEL CO
706 HINSDALE, IL ILLINOIS BELL TEL CO
707 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
708 YORKVILLE, IL AT&T CORP.
709 ROSELLE, IL METROPCS, INC.
710 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
711 No Assigned Location Possibly due to N11 code
712 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
713 NAPERVILLE, IL ILLINOIS BELL TEL CO
714 AMERICAN MESSAGING SERVICES, LLC
715 SAINT CHARLES, IL NEW CINGULAR WIRELESS PCS, LLC - IL
716 HINSDALE, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
717 NAPERVILLE, IL ILLINOIS BELL TEL CO
718 NAPERVILLE, IL ILLINOIS BELL TEL CO
719 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
720 AURORA, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
721 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
722 HINSDALE, IL ILLINOIS BELL TEL CO
723 AURORA, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
724 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
725 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
726 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
727 AMERICAN MESSAGING SERVICES, LLC
728 T-MOBILE USA, INC.
729 DOWNERS GROVE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
730 NAPERVILLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
731 AURORA, IL T-MOBILE USA, INC.
732 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
733 BIG ROCK, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
734 HINSDALE, IL ILLINOIS BELL TEL CO
735 ITASCA, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
736 BARTLETT, IL ILLINOIS BELL TEL CO
737 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
738 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
739 LEMONT, IL ILLINOIS BELL TEL CO
740 AURORA, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
741 BENSENVILLE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
742 NAPERVILLE, IL T-MOBILE USA, INC.
743 DOWNERS GROVE, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
744 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
745 T-MOBILE USA, INC.
746 SUGAR GROVE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
747 T-MOBILE USA, INC.
748 LOMBARD, IL LEVEL 3 COMMUNICATIONS, LLC - IL
749 ELMHURST, IL LEVEL 3 COMMUNICATIONS, LLC - IL
750 NEW CINGULAR WIRELESS PCS, LLC - IL
751 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
752 WHEATON, IL ILLINOIS BELL TEL CO
753 NAPERVILLE, IL ILLINOIS BELL TEL CO
754 LEMONT, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
755 LEMONT, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
756 HINSDALE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
757 BENSENVILLE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
758 ELMHURST, IL ILLINOIS BELL TEL CO
759 LEMONT, IL ILLINOIS BELL TEL CO
760 ITASCA, IL PAETEC ITEL, LLC
761 BATAVIA, IL ILLINOIS BELL TEL CO
762 SAINT CHARLES, IL ILLINOIS BELL TEL CO
763 ELMHURST, IL T-MOBILE USA, INC.
764 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
765 WHEATON, IL NEW CINGULAR WIRELESS PCS, LLC - IL
766 BENSENVILLE, IL ILLINOIS BELL TEL CO
767 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
768 NAPERVILLE, IL T-MOBILE USA, INC.
769 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
770 AURORA, IL METROPCS, INC.
771 LEMONT, IL ILLINOIS BELL TEL CO
772 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
773 ITASCA, IL ILLINOIS BELL TEL CO
774 T-MOBILE USA, INC.
775 ITASCA, IL ILLINOIS BELL TEL CO
776 ELMHURST, IL METROPCS, INC.
777 SUGAR GROVE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
778 NAPERVILLE, IL ILLINOIS BELL TEL CO
779 WEST CHICAGO, IL NEW CINGULAR WIRELESS PCS, LLC - IL
780 NAPERVILLE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
781 T-MOBILE USA, INC.
782 ELMHURST, IL ILLINOIS BELL TEL CO
783 LEMONT, IL ILLINOIS BELL TEL CO
784 WHEATON, IL ILLINOIS BELL TEL CO
785 LOMBARD, IL AT&T - LOCAL
786 DOWNERS GROVE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
787 BENSENVILLE, IL ILLINOIS BELL TEL CO
788 AURORA, IL T-MOBILE USA, INC.
789 HINSDALE, IL ILLINOIS BELL TEL CO
790 GLEN ELLYN, IL ILLINOIS BELL TEL CO
791 WARRENVILLE, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
792 LOMBARD, IL ILLINOIS BELL TEL CO
793 GLEN ELLYN, IL ONVOY, LLC
794 HINSDALE, IL ILLINOIS BELL TEL CO
795 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
796 DOWNERS GROVE, IL BANDWIDTH.COM CLEC, LLC - IL
797 SAINT CHARLES, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
798 NAPERVILLE, IL ILLINOIS BELL TEL CO
799 NAPERVILLE, IL ILLINOIS BELL TEL CO
800 AURORA, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
801 AURORA, IL ILLINOIS BELL TEL CO
802 SUGAR GROVE, IL T-MOBILE USA, INC.
803 AURORA, IL T-MOBILE USA, INC.
804 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
805 NEW CINGULAR WIRELESS PCS, LLC - IL
806 AURORA, IL T-MOBILE USA, INC.
807 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
808 ELMHURST, IL METROPCS, INC.
809 AURORA, IL METROPCS, INC.
810 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
811 No Assigned Location Possibly due to N11 code
812 LOMBARD, IL NEW CINGULAR WIRELESS PCS, LLC - IL
813 NAPERVILLE, IL ILLINOIS BELL TEL CO
814 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
815 WEST CHICAGO, IL NEW CINGULAR WIRELESS PCS, LLC - IL
816 T-MOBILE USA, INC.
817 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
818 WEST CHICAGO, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
819 HINSDALE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
820 AURORA, IL ILLINOIS BELL TEL CO
821 WARRENVILLE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
822 HINSDALE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
823 BARTLETT, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC
824 DOWNERS GROVE, IL PAETEC ITEL, LLC
825 ROSELLE, IL PAETEC ITEL, LLC
826 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
827 LOMBARD, IL PAETEC ITEL, LLC
828 HINSDALE, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
829 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
830 BARTLETT, IL ILLINOIS BELL TEL CO
831 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
832 ELMHURST, IL ILLINOIS BELL TEL CO
833 ELMHURST, IL ILLINOIS BELL TEL CO
834 ELMHURST, IL ILLINOIS BELL TEL CO
835 ELMHURST, IL PAETEC ITEL, LLC
836 WARRENVILLE, IL ILLINOIS BELL TEL CO
837 BARTLETT, IL ILLINOIS BELL TEL CO
838 USA MOBILITY WIRELESS, INC.
839 NAPERVILLE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
840 BATAVIA, IL ILLINOIS BELL TEL CO
841 NEW CINGULAR WIRELESS PCS, LLC - IL
842 NEW CINGULAR WIRELESS PCS, LLC - IL
843 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
844 AURORA, IL ILLINOIS BELL TEL CO
845 GENEVA, IL ILLINOIS BELL TEL CO
846 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
847 LOMBARD, IL ONVOY, LLC
848 NAPERVILLE, IL ILLINOIS BELL TEL CO
849 AURORA, IL T-MOBILE USA, INC.
850 HINSDALE, IL ILLINOIS BELL TEL CO
851 AURORA, IL ILLINOIS BELL TEL CO
852 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
853 NAPERVILLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
854 NAPERVILLE, IL T-MOBILE USA, INC.
855 BARTLETT, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
856 HINSDALE, IL ILLINOIS BELL TEL CO
857 NAPERVILLE, IL ILLINOIS BELL TEL CO
858 GLEN ELLYN, IL ILLINOIS BELL TEL CO
859 AURORA, IL ILLINOIS BELL TEL CO
860 BENSENVILLE, IL ILLINOIS BELL TEL CO
861 HINSDALE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
862 AURORA, IL ILLINOIS BELL TEL CO
863 LEMONT, IL T-MOBILE USA, INC.
864 NAPERVILLE, IL T-MOBILE USA, INC.
865 T-MOBILE USA, INC.
866 GLEN ELLYN, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
867 USA MOBILITY WIRELESS, INC.
868 WHEATON, IL LEVEL 3 COMMUNICATIONS, LLC - IL
869 DOWNERS GROVE, IL PEERLESS NETWORK OF ILLINOIS, LLC - IL
870 AURORA, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
871 WHEATON, IL ILLINOIS BELL TEL CO
872 ROSELLE, IL ILLINOIS BELL TEL CO
873 LOMBARD, IL LEVEL 3 COMMUNICATIONS, LLC - IL
874 DOWNERS GROVE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
875 ITASCA, IL ILLINOIS BELL TEL CO
876 WEST CHICAGO, IL ILLINOIS BELL TEL CO
877 WEST CHICAGO, IL NEW CINGULAR WIRELESS PCS, LLC - IL
878 T-MOBILE USA, INC.
879 BATAVIA, IL ILLINOIS BELL TEL CO
880 NEW CINGULAR WIRELESS PCS, LLC - IL
881 NAPERVILLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
882 YORKVILLE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
883 LEVEL 3 COMMUNICATIONS, LLC - IL
884 BIG ROCK, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
885 NAPERVILLE, IL T-MOBILE USA, INC.
886 T-MOBILE USA, INC.
887 HINSDALE, IL ILLINOIS BELL TEL CO
888 AURORA, IL T-MOBILE USA, INC.
889 LOMBARD, IL ILLINOIS BELL TEL CO
890 WHEATON, IL T-MOBILE USA, INC.
891 HINSDALE, IL PAETEC ITEL, LLC
892 AURORA, IL ILLINOIS BELL TEL CO
893 ROSELLE, IL ILLINOIS BELL TEL CO
894 ROSELLE, IL ILLINOIS BELL TEL CO
895 DOWNERS GROVE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
896 AURORA, IL ILLINOIS BELL TEL CO
897 AURORA, IL ILLINOIS BELL TEL CO
898 AURORA, IL ILLINOIS BELL TEL CO
899 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
901 NAPERVILLE, IL T-MOBILE USA, INC.
902 NEW CINGULAR WIRELESS PCS, LLC - IL
903 ELMHURST, IL METROPCS, INC.
904 NAPERVILLE, IL ILLINOIS BELL TEL CO
905 ROSELLE, IL ILLINOIS BELL TEL CO
906 AURORA, IL ILLINOIS BELL TEL CO
907 AURORA, IL ILLINOIS BELL TEL CO
908 HINSDALE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
909 WHEATON, IL PAETEC ITEL, LLC
910 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
911 No Assigned Location Possibly due to N11 code
912 ROSELLE, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
913 NEW CINGULAR WIRELESS PCS, LLC - IL
914 LEMONT, IL ILLINOIS BELL TEL CO
915 HINSDALE, IL T-MOBILE USA, INC.
916 LOMBARD, IL ILLINOIS BELL TEL CO
917 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
918 T-MOBILE USA, INC.
919 ITASCA, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
920 HINSDALE, IL ILLINOIS BELL TEL CO
921 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
922 NAPERVILLE, IL ILLINOIS BELL TEL CO
923 WHEATON, IL T-MOBILE USA, INC.
924 ROSELLE, IL ILLINOIS BELL TEL CO
925 LOMBARD, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
926 T-MOBILE USA, INC.
927 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
928 HINSDALE, IL ILLINOIS BELL TEL CO
929 DOWNERS GROVE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
930 ELMHURST, IL METROPCS, INC.
931 ITASCA, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
932 LOMBARD, IL ILLINOIS BELL TEL CO
933 WHEATON, IL ILLINOIS BELL TEL CO
934 ELBURN, IL AT&T CORP.
935 LOMBARD, IL T-MOBILE USA, INC.
936 ELMHURST, IL LEVEL 3 COMMUNICATIONS, LLC - IL
937 BATAVIA, IL PAETEC ITEL, LLC
938 GENEVA, IL LEVEL 3 COMMUNICATIONS, LLC - IL
939 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
940 SAINT CHARLES, IL PAETEC ITEL, LLC
941 ELMHURST, IL ILLINOIS BELL TEL CO
942 GLEN ELLYN, IL ILLINOIS BELL TEL CO
943 GENEVA, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
944 DOWNERS GROVE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
945 SAINT CHARLES, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
946 NAPERVILLE, IL PAETEC ITEL, LLC
947 AURORA, IL PAETEC ITEL, LLC
948 BENSENVILLE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
949 WHEATON, IL PAETEC ITEL, LLC
950 No Assigned Location Feature Group B
951 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
952 AURORA, IL FIRST COMMUNICATIONS, LLC
953 LOMBARD, IL ILLINOIS BELL TEL CO
954 HINSDALE, IL ILLINOIS BELL TEL CO
955 NAPERVILLE, IL ILLINOIS BELL TEL CO
956 ELMHURST, IL ILLINOIS BELL TEL CO
957 WEST CHICAGO, IL FIRST COMMUNICATIONS, LLC
960 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
961 NAPERVILLE, IL ILLINOIS BELL TEL CO
962 AURORA, IL LEVEL 3 COMMUNICATIONS, LLC - IL
963 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
964 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
965 BARTLETT, IL T-MOBILE USA, INC.
966 AURORA, IL ILLINOIS BELL TEL CO
967 DOWNERS GROVE, IL FIRST COMMUNICATIONS, LLC
968 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
969 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
970 NEW CINGULAR WIRELESS PCS, LLC - IL
971 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
972 LEMONT, IL ILLINOIS BELL TEL CO
973 ROSELLE, IL METROPCS, INC.
974 HINSDALE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
975 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
976 No Assigned Location See 976 telephone number
977 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
978 AURORA, IL ILLINOIS BELL TEL CO
979 NAPERVILLE, IL ILLINOIS BELL TEL CO
980 ROSELLE, IL ILLINOIS BELL TEL CO
981 DOWNERS GROVE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
982 BIG ROCK, IL LEVEL 3 COMMUNICATIONS, LLC - IL
983 NAPERVILLE, IL ILLINOIS BELL TEL CO
984 GLEN ELLYN, IL LEVEL 3 COMMUNICATIONS, LLC - IL
985 DOWNERS GROVE, IL ILLINOIS BELL TEL CO
986 HINSDALE, IL ILLINOIS BELL TEL CO
987 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
988 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
989 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
990 HINSDALE, IL ILLINOIS BELL TEL CO
991 DOWNERS GROVE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
992 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
993 ELMHURST, IL ILLINOIS BELL TEL CO
994 ROSELLE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
995 NAPERVILLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
996 DOWNERS GROVE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
997 ROSELLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
998 GENEVA, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
999 SUGAR GROVE, IL T-MOBILE USA, INC.

331 Prefixes

[edit]

The location of the area code and prefix shown in the table below are only an approximation because of local number portability (LNP) rules, wireless devices and VoIP.

Prefix Location Service Provider Name [2] Operating Company Number (OCN) [2][3][4][5] Notes [2]
201 DOWNERS GROVE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
202 ELMHURST, IL METROPCS, INC.
203 AURORA, IL T-MOBILE USA, INC.
204 NAPERVILLE, IL ONVOY, LLC
205 AURORA, IL T-MOBILE USA, INC.
206 AURORA, IL T-MOBILE USA, INC.
207 YORKVILLE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
208 AURORA, IL T-MOBILE USA, INC.
209 ELMHURST, IL LEVEL 3 COMMUNICATIONS, LLC - IL
210 SAINT CHARLES, IL PEERLESS NETWORK OF ILLINOIS, LLC - IL
211 No Assigned Location Possibly due to N11 code
212 AURORA, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
213 NAPERVILLE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
214 DOWNERS GROVE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
215 NAPERVILLE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
216 OSWEGO, IL NEW CINGULAR WIRELESS PCS, LLC - IL
217 LOMBARD, IL ONVOY, LLC
218 WHEATON, IL T-MOBILE USA, INC.
219 AURORA, IL TELNYX LLC
220 AURORA, IL T-MOBILE USA, INC.
221 ELMHURST, IL ILLINOIS BELL TEL CO
222 SAINT CHARLES, IL NEW CINGULAR WIRELESS PCS, LLC - IL
223 SAINT CHARLES, IL NEW CINGULAR WIRELESS PCS, LLC - IL
224 ITASCA, IL ONVOY, LLC
225 ELMHURST, IL METROPCS, INC.
226 NAPERVILLE, IL T-MOBILE USA, INC.
227 SUGAR GROVE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
228 SAINT CHARLES, IL PAETEC ITEL, LLC
229 NAPERVILLE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
230 AURORA, IL T-MOBILE USA, INC.
231 NAPERVILLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
232 WEST CHICAGO, IL NEW CINGULAR WIRELESS PCS, LLC - IL
233 DOWNERS GROVE, IL TELNYX LLC
234 SUGAR GROVE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
235 SAINT CHARLES, IL NEW CINGULAR WIRELESS PCS, LLC - IL
236 WHEATON, IL T-MOBILE USA, INC.
237 NAPERVILLE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
238 DOWNERS GROVE, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
239 YORKVILLE, IL ONVOY, LLC
240 WEST CHICAGO, IL PEERLESS NETWORK OF ILLINOIS, LLC - IL
241 LOMBARD, IL ONVOY, LLC
242 LOMBARD, IL T-MOBILE USA, INC.
243 LOMBARD, IL T-MOBILE USA, INC.
244 NAPERVILLE, IL ONVOY, LLC
245 BARTLETT, IL T-MOBILE USA, INC.
246 LEMONT, IL T-MOBILE USA, INC.
247 NAPERVILLE, IL VONAGE AMERICA LLC
248 GENEVA, IL COMCAST IP PHONE, LLC
249 NAPERVILLE, IL ONVOY, LLC
250 AURORA, IL T-MOBILE USA, INC.
251 DOWNERS GROVE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
252 WARRENVILLE, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
253 LEMONT, IL T-MOBILE USA, INC.
254 SUGAR GROVE, IL T-MOBILE USA, INC.
255 AURORA, IL ONVOY, LLC
256 AURORA, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
257 AURORA, IL NEW CINGULAR WIRELESS PCS, LLC - IL
258 AURORA, IL ONVOY, LLC
259 SUGAR GROVE, IL PEERLESS NETWORK OF ILLINOIS, LLC - IL
260 DOWNERS GROVE, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
261 LEMONT, IL T-MOBILE USA, INC.
262 AURORA, IL T-MOBILE USA, INC.
263 ITASCA, IL ONVOY, LLC
264 HINSDALE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
265 GENEVA, IL ONVOY, LLC
266 SAINT CHARLES, IL NEW CINGULAR WIRELESS PCS, LLC - IL
267 LOMBARD, IL VONAGE AMERICA LLC
268 SUGAR GROVE, IL T-MOBILE USA, INC.
269 AURORA, IL T-MOBILE USA, INC.
270 AURORA, IL ONVOY, LLC
271 HINSDALE, IL ONVOY, LLC
272 SAINT CHARLES, IL ONVOY, LLC
273 LEMONT, IL ONVOY, LLC
274 AURORA, IL T-MOBILE USA, INC.
275 BARTLETT, IL T-MOBILE USA, INC.
276 SAINT CHARLES, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
277 LOMBARD, IL NEW CINGULAR WIRELESS PCS, LLC - IL
278 AURORA, IL NEW CINGULAR WIRELESS PCS, LLC - IL
279 ELMHURST, IL PAETEC ITEL, LLC
280 DOWNERS GROVE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
281 NAPERVILLE, IL ILLINOIS BELL TEL CO
282 HINSDALE, IL ONVOY, LLC
283 GENEVA, IL T-MOBILE USA, INC.
284 BARTLETT, IL T-MOBILE USA, INC.
285 NAPERVILLE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
286 SAINT CHARLES, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
287 AURORA, IL BANDWIDTH.COM CLEC, LLC - IL
288 ELBURN, IL TON80 COMMUNICATIONS, LLC
289 HINSDALE, IL T-MOBILE USA, INC.
290 AURORA, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
291 DOWNERS GROVE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
292 DOWNERS GROVE, IL ONVOY SPECTRUM, LLC
293 AURORA, IL NEW CINGULAR WIRELESS PCS, LLC - IL
294 NAPERVILLE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
295 AURORA, IL NUSO, LLC
296 WHEATON, IL DISH WIRELESS, LLC
297 BATAVIA, IL ONVOY, LLC
298 NAPERVILLE, IL ONVOY, LLC
299 HINSDALE, IL FRACTEL, LLC
300 AURORA, IL T-MOBILE USA, INC.
301 AURORA, IL METROPCS, INC.
302 AURORA, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
303 ELBURN, IL BANDWIDTH.COM CLEC, LLC - IL
304 BARTLETT, IL T-MOBILE USA, INC.
305 NAPERVILLE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
306 DOWNERS GROVE, IL ONVOY, LLC
307 LOMBARD, IL T-MOBILE USA, INC.
308 BARTLETT, IL BANDWIDTH.COM CLEC, LLC - IL
309 LEMONT, IL COMMIO, LLC
310 BIG ROCK, IL BANDWIDTH.COM CLEC, LLC - IL
311 No Assigned Location Possibly due to N11 code
312 AURORA, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
313 NAPERVILLE, IL ONVOY SPECTRUM, LLC
314 SAINT CHARLES, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
315 LOMBARD, IL NEW CINGULAR WIRELESS PCS, LLC - IL
316 NAPERVILLE, IL COMMIO, LLC
317 HINSDALE, IL COMMIO, LLC
318 LEMONT, IL BANDWIDTH.COM CLEC, LLC - IL
319 AURORA, IL ONVOY, LLC
320 BARTLETT, IL ONVOY, LLC
321 AURORA, IL T-MOBILE USA, INC.
322 LOMBARD, IL ONVOY, LLC
323 GLEN ELLYN, IL ONVOY, LLC
324 YORKVILLE, IL ONVOY, LLC
325 LEMONT, IL ONVOY SPECTRUM, LLC
326 DOWNERS GROVE, IL ONVOY, LLC
327 SAINT CHARLES, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
328 NAPERVILLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
329 AURORA, IL ONVOY, LLC
330 NAPERVILLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
332 NAPERVILLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
333 NAPERVILLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
334 BATAVIA, IL ONVOY, LLC
335 SAINT CHARLES, IL NEW CINGULAR WIRELESS PCS, LLC - IL
336 AURORA, IL FRACTEL, LLC
337 OSWEGO, IL NEW CINGULAR WIRELESS PCS, LLC - IL
338 AURORA, IL ONVOY SPECTRUM, LLC
341 PLANO, IL ONVOY, LLC
343 DOWNERS GROVE, IL ONVOY, LLC
345 NAPERVILLE, IL FRACTEL, LLC
348 ELBURN, IL FRACTEL, LLC
356 BARTLETT, IL FRACTEL, LLC
373 OSWEGO, IL TON80 COMMUNICATIONS, LLC
385 AURORA, IL NEW CINGULAR WIRELESS PCS, LLC - IL
388 SUGAR GROVE, IL FRACTEL, LLC
399 DOWNERS GROVE, IL FRACTEL, LLC
400 OSWEGO, IL FRACTEL, LLC
401 NAPERVILLE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
411 No Assigned Location Possibly due to N11 code
422 SAINT CHARLES, IL LEVEL 3 COMMUNICATIONS, LLC - IL
425 AURORA, IL T-MOBILE USA, INC.
426 LEMONT, IL TON80 COMMUNICATIONS, LLC
431 AURORA, IL BANDWIDTH.COM CLEC, LLC - IL
442 SAINT CHARLES, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
444 NAPERVILLE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
452 AURORA, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
454 AURORA, IL NEW CINGULAR WIRELESS PCS, LLC - IL
456 ROSELLE, IL FIRST COMMUNICATIONS, LLC
457 NAPERVILLE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
462 LOMBARD, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
465 WEST CHICAGO, IL NEW CINGULAR WIRELESS PCS, LLC - IL
466 GLEN ELLYN, IL TON80 COMMUNICATIONS, LLC
472 NAPERVILLE, IL T-MOBILE USA, INC.
481 DOWNERS GROVE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
500 GENEVA, IL FRACTEL, LLC
511 No Assigned Location Possibly due to N11 code
529 NAPERVILLE, IL FRACTEL, LLC
551 LOMBARD, IL NEW CINGULAR WIRELESS PCS, LLC - IL
555 No Assigned Location See 555 (telephone number)
575 AURORA, IL T-MOBILE USA, INC.
588 SAINT CHARLES, IL NEW CINGULAR WIRELESS PCS, LLC - IL
600 WHEATON, IL FRACTEL, LLC
611 No Assigned Location Possibly due to N11 code
625 DOWNERS GROVE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
627 LOMBARD, IL TON80 COMMUNICATIONS, LLC
631 DOWNERS GROVE, IL ONVOY SPECTRUM, LLC
642 ELMHURST, IL BANDWIDTH.COM CLEC, LLC - IL
643 AURORA, IL METROPCS, INC.
645 ELMHURST, IL METROPCS, INC.
666 AURORA, IL ONVOY, LLC
684 AURORA, IL RCN TELECOM SERVICES OF ILLINIOS, INC. - IL
688 NAPERVILLE, IL TON80 COMMUNICATIONS, LLC
701 NAPERVILLE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
702 NAPERVILLE, IL MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
703 WEST CHICAGO, IL T-MOBILE USA, INC.
704 KANEVILLE, IL BANDWIDTH.COM CLEC, LLC - IL
707 AURORA, IL T-MOBILE USA, INC.
711 No Assigned Location Possibly due to N11 code
716 WHEATON, IL ONVOY, LLC
717 OSWEGO, IL NEW CINGULAR WIRELESS PCS, LLC - IL
725 OSWEGO, IL NEW CINGULAR WIRELESS PCS, LLC - IL
732 GENEVA, IL FRACTEL, LLC
746 KANEVILLE, IL TON80 COMMUNICATIONS, LLC
757 LEMONT, IL T-MOBILE USA, INC.
758 AURORA, IL FRACTEL, LLC
771 SAINT CHARLES, IL ONVOY, LLC
775 DOWNERS GROVE, IL COMCAST IP PHONE, LLC
777 DOWNERS GROVE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
788 GENEVA, IL FRACTEL, LLC
800 WEST CHICAGO, IL ONVOY, LLC
801 DOWNERS GROVE, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
803 LEMONT, IL PEERLESS NETWORK OF ILLINOIS, LLC - IL
806 WHEATON, IL COMCAST IP PHONE, LLC
808 PLANO, IL BANDWIDTH.COM CLEC, LLC - IL
811 No Assigned Location Possibly due to N11 code
814 NAPERVILLE, IL T-MOBILE USA, INC.
825 GENEVA, IL DIGITAL NETWORK ACCESS COMMUNICATIONS, INC. - IL
826 ELMHURST, IL METROPCS, INC.
837 WEST CHICAGO, IL TON80 COMMUNICATIONS, LLC
850 BIG ROCK, IL ONVOY, LLC
866 WHEATON, IL TON80 COMMUNICATIONS, LLC
867 YORKVILLE, IL FRACTEL, LLC
871 WEST CHICAGO, IL ONVOY, LLC
888 WARRENVILLE, IL PEERLESS NETWORK OF ILLINOIS, LLC - IL
899 LOMBARD, IL FRACTEL, LLC
900 ELMHURST, IL FRACTEL, LLC
901 SAINT CHARLES, IL BANDWIDTH.COM CLEC, LLC - IL
903 DOWNERS GROVE, IL AT&T CORP.
911 No Assigned Location Possibly due to N11 code
946 GLEN ELLYN, IL FRACTEL, LLC
950 No Assigned Location Feature Group B
976 No Assigned Location See 976 telephone number
979 ELMHURST, IL COMCAST IP PHONE, LLC
980 AURORA, IL T-MOBILE USA, INC.
998 DOWNERS GROVE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
999 OSWEGO, IL BANDWIDTH.COM CLEC, LLC - IL

See also

[edit]

References

[edit]
  1. ^ "Local calling guide: Rate centre information". localcallingguide.com. Retrieved 2022-02-08.
  2. ^ a b c d e f National Phone Number Registry
  3. ^ a b OCN
  4. ^ a b National Exchange Carrier Association
  5. ^ a b neca.org
[edit]


Illinois area codes: 217/447, 309/861, 312, 630/331, 618/730, 708/464, 773, 815/779, 847/224, 872
North: 847/224
West: 815/779 area codes 630 and 331 East: 708/464
South: 815/779

41°50′N 88°06′W / 41.833°N 88.100°W / 41.833; -88.100