Phone Numbers Starting with Area Code 312

Enter a phone number starting with 312 to complete a free reverse phone lookup.

Browse Phone Numbers by Prefix

Our database includes 643 area code 312 prefixes with phone numbers:

Prefix Company Rate Center
312-201 AMERITECH ILLINOIS CHICGOZN01
312-202 AMERITECH ILLINOIS CHICGOZN01
312-203 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-205 ALLEGIANCE TELECOM, INC. - IL CHICGOZN01
312-206 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-207 AMERITECH ILLINOIS CHICGOZN01
312-208 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-209 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL NORTHBROOK
312-212 AMERITECH ILLINOIS CHICGOZN01
312-213 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-214 AMERITECH ILLINOIS CHICGOZN01
312-215 NEW CINGULAR WIRELESS PCS, LLC - IL WHEELING
312-216 FIRST COMMUNICATIONS LLC - IL CHICGOZN01
312-217 SPRINT SPECTRUM L.P. CHICGOZN01
312-218 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-219 BANDWIDTH.COM CLEC, LLC - IL CHICGOZN01
312-220 AMERITECH ILLINOIS CHICGOZN01
312-221 SPRINT SPECTRUM L.P. CHICGOZN01
312-222 AMERITECH ILLINOIS CHICGOZN01
312-223 AMERITECH ILLINOIS CHICGOZN01
312-224 BROADWING COMMUNICATIONS, LLC - IL CHICGOZN01
312-225 AMERITECH ILLINOIS CHICGOZN01
312-226 AMERITECH ILLINOIS CHICGOZN01
312-227 AMERITECH ILLINOIS CHICGOZN01
312-228 AMERITECH ILLINOIS CHICGOZN01
312-229 AMERITECH ILLINOIS CHICGOZN01
312-231 NEW CINGULAR WIRELESS PCS, LLC - IL ROSELLE
312-233 AMERITECH ILLINOIS CHICGOZN01
312-234 AMERITECH ILLINOIS CHICGOZN01
312-235 AMERITECH ILLINOIS CHICGOZN01
312-236 AMERITECH ILLINOIS CHICGOZN01
312-237 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-238 BROADWING COMMUNICATIONS, LLC - IL CHICGOZN01
312-239 AT&T LOCAL CHICGOZN01
312-240 AMERITECH ILLINOIS CHICGOZN01
312-241 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-242 TELEPORT COMMUNICATIONS AMERICA, LLC - IL CHICGOZN01
312-243 AMERITECH ILLINOIS CHICGOZN01
312-244 AMERITECH ILLINOIS CHICGOZN01
312-245 AMERITECH ILLINOIS CHICGOZN01
312-246 NEW CINGULAR WIRELESS PCS, LLC - IL WHEELING
312-251 AMERITECH ILLINOIS CHICGOZN01
312-252 ALLEGIANCE TELECOM, INC. - IL CHICGOZN01
312-253 ALLEGIANCE TELECOM, INC. - IL CHICGOZN01
312-254 ALLEGIANCE TELECOM, INC. - IL CHICGOZN01
312-255 AMERITECH ILLINOIS CHICGOZN01
312-256 ALLEGIANCE TELECOM, INC. - IL CHICGOZN01
312-257 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-258 AMERITECH ILLINOIS CHICGOZN01
312-259 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-260 MCIMETRO ACCESS TRANSMISSION SERVICES LLC CHICGOZN01
312-261 BROADWING COMMUNICATIONS, LLC - IL CHICGOZN01
312-262 ALLEGIANCE TELECOM, INC. - IL CHICGOZN01
312-263 AMERITECH ILLINOIS CHICGOZN01
312-264 BROADWING COMMUNICATIONS, LLC - IL CHICGOZN01
312-265 ACCESS ONE, INC. - IL CHICGOZN01
312-266 AMERITECH ILLINOIS CHICGOZN01
312-267 AMERITECH ILLINOIS CHICGOZN01
312-268 BROADWING COMMUNICATIONS, LLC - IL CHICGOZN01
312-269 AMERITECH ILLINOIS CHICGOZN01
312-270 METRO PCS, INC. CHICGOZN01
312-273 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-274 AMERITECH ILLINOIS CHICGOZN01
312-275 ALLEGIANCE TELECOM, INC. - IL CHICGOZN01
312-276 ALLEGIANCE TELECOM, INC. - IL CHICGOZN01
312-277 ALLEGIANCE TELECOM, INC. - IL CHICGOZN01
312-278 BROADWING COMMUNICATIONS, LLC - IL CHICGOZN01
312-279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC CHICGOZN01
312-280 AMERITECH ILLINOIS CHICGOZN01
312-281 GLOBAL CROSSING LOCAL SERVICES, INC.-IL CHICGOZN01
312-282 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-283 GLOBAL CROSSING LOCAL SERVICES, INC.-IL CHICGOZN01
312-284 XO ILLINOIS, INC. CHICGOZN01
312-285 SPRINT SPECTRUM L.P. CHICGOZN01
312-286 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-287 SPRINT SPECTRUM L.P. CHICGOZN07
312-288 MCIMETRO ACCESS TRANSMISSION SERVICES LLC CHICGOZN01
312-290 USA MOBILITY WIRELESS, INC. CHICGOZN01
312-291 AMERITECH ILLINOIS CHICGOZN01
312-292 BANDWIDTH.COM CLEC, LLC - IL CHICGOZN01
312-293 AMERITECH ILLINOIS CHICGOZN01
312-294 AMERITECH ILLINOIS CHICGOZN01
312-296 SPRINT SPECTRUM L.P. CHICGOZN01
312-297 AMERITECH ILLINOIS CHICGOZN01
312-298 SIGECOM, LLC DBA WOW INTERNET CABLE AND PHONE CHICGOZN01
312-300 LEVEL 3 COMMUNICATIONS, LLC - IL CHICGOZN01
312-301 NEW CINGULAR WIRELESS PCS, LLC - IL HINSDALE
312-305 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL NORTHBROOK
312-306 AMERITECH ILLINOIS CHICGOZN01
312-307 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-310 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL NORTHBROOK
312-313 NEUTRAL TANDEM-ILLINOIS, LLC CHICGOZN01
312-315 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-316 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-317 NEW CINGULAR WIRELESS PCS, LLC - IL WHEELING
312-318 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL LA GRANGE
312-319 MCIMETRO ACCESS TRANSMISSION SERVICES LLC CHICGOZN01
312-320 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-321 AMERITECH ILLINOIS CHICGOZN01
312-322 AMERITECH ILLINOIS CHICGOZN01
312-324 LEVEL 3 COMMUNICATIONS, LLC - IL CHICGOZN01
312-325 AMERITECH ILLINOIS CHICGOZN01
312-326 AMERITECH ILLINOIS CHICGOZN01
312-327 XO ILLINOIS, INC. CHICGOZN01
312-328 AMERITECH ILLINOIS CHICGOZN01
312-329 AMERITECH ILLINOIS CHICGOZN01
312-330 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-332 AMERITECH ILLINOIS CHICGOZN01
312-334 FIRST COMMUNICATIONS LLC - IL CHICGOZN01
312-335 AMERITECH ILLINOIS CHICGOZN01
312-336 AMERITECH ILLINOIS CHICGOZN01
312-337 AMERITECH ILLINOIS CHICGOZN01
312-338 AMERITECH ILLINOIS CHICGOZN01
312-339 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-340 T-MOBILE USA, INC. CHICGOZN01
312-341 AMERITECH ILLINOIS CHICGOZN01
312-342 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-343 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-344 AMERITECH ILLINOIS CHICGOZN01
312-345 AMERITECH ILLINOIS CHICGOZN01
312-346 AMERITECH ILLINOIS CHICGOZN01
312-347 AMERITECH ILLINOIS CHICGOZN01
312-348 NEUTRAL TANDEM-ILLINOIS, LLC - IL CHICGOZN01
312-349 USA MOBILITY WIRELESS, INC. CHICGOZN01
312-350 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-351 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-353 AMERITECH ILLINOIS CHICGOZN01
312-355 AMERITECH ILLINOIS CHICGOZN01
312-356 AMERITECH ILLINOIS CHICGOZN01
312-357 AMERITECH ILLINOIS CHICGOZN01
312-358 T-MOBILE USA, INC. CHICGOZN01
312-360 AMERITECH ILLINOIS CHICGOZN01
312-361 AMERITECH ILLINOIS CHICGOZN01
312-362 AMERITECH ILLINOIS CHICGOZN01
312-363 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL CHICGOZN01
312-364 AMERITECH ILLINOIS CHICGOZN01
312-365 USA MOBILITY WIRELESS, INC. CHICGOZN01
312-366 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-368 AMERITECH ILLINOIS CHICGOZN01
312-369 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-371 SPRINT SPECTRUM L.P. CHICGOZN01
312-372 AMERITECH ILLINOIS CHICGOZN01
312-373 BROADWING COMMUNICATIONS, LLC - IL CHICGOZN01
312-374 AMERITECH ILLINOIS CHICGOZN01
312-375 T-MOBILE USA, INC. CHICGOZN01
312-376 CBEYOND COMMUNICATIONS, LLC - IL CHICGOZN01
312-377 XO ILLINOIS, INC. CHICGOZN01
312-379 OVATION COMMUNICATIONS OF ILLINOIS, INC. CHICGOZN01
312-380 AMERITECH ILLINOIS CHICGOZN01
312-381 AMERITECH ILLINOIS CHICGOZN01
312-382 AMERITECH ILLINOIS CHICGOZN01
312-383 TELEPORT COMMUNICATIONS AMERICA, LLC - IL CHICGOZN01
312-384 AMERITECH ILLINOIS CHICGOZN01
312-385 AMERITECH ILLINOIS CHICGOZN01
312-386 AMERITECH ILLINOIS CHICGOZN01
312-388 SPRINT SPECTRUM L.P. CHICGOZN01
312-391 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-394 AMERITECH ILLINOIS CHICGOZN01
312-395 AT&T LOCAL CHICGOZN01
312-396 AMERITECH ILLINOIS CHICGOZN01
312-397 AMERITECH ILLINOIS CHICGOZN01
312-399 SPRINT SPECTRUM L.P. CHICGOZN01
312-400 AMERICAN MESSAGING SERVICES, LLC CHICGOZN01
312-401 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-402 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-403 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL LA GRANGE
312-404 T-MOBILE USA, INC. CHICGOZN01
312-405 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-406 NEW CINGULAR WIRELESS PCS, LLC - IL WHEELING
312-407 AMERITECH ILLINOIS CHICGOZN01
312-408 AMERITECH ILLINOIS CHICGOZN01
312-409 AMERITECH ILLINOIS CHICGOZN01
312-413 AMERITECH ILLINOIS CHICGOZN01
312-415 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-416 MCI WORLDCOM COMMUNICATIONS, INC. - IL CHICGOZN01
312-419 AMERITECH ILLINOIS CHICGOZN01
312-420 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-421 AMERITECH ILLINOIS CHICGOZN01
312-422 AMERITECH ILLINOIS CHICGOZN01
312-423 BROADWING COMMUNICATIONS, LLC - IL CHICGOZN01
312-424 AMERITECH ILLINOIS CHICGOZN01
312-425 AMERITECH ILLINOIS CHICGOZN01
312-427 AMERITECH ILLINOIS CHICGOZN01
312-428 LEVEL 3 COMMUNICATIONS, LLC - IL CHICGOZN01
312-429 GLOBAL CROSSING LOCAL SERVICES, INC.-IL CHICGOZN01
312-431 AMERITECH ILLINOIS CHICGOZN01
312-432 AMERITECH ILLINOIS CHICGOZN01
312-433 AMERITECH ILLINOIS CHICGOZN01
312-435 AMERITECH ILLINOIS CHICGOZN01
312-436 AMERITECH ILLINOIS CHICGOZN01
312-437 SPRINT SPECTRUM L.P. CHICGOZN01
312-440 AMERITECH ILLINOIS CHICGOZN01
312-441 AMERITECH ILLINOIS CHICGOZN01
312-442 AMERITECH ILLINOIS CHICGOZN01
312-443 AMERITECH ILLINOIS CHICGOZN01
312-444 AMERITECH ILLINOIS CHICGOZN01
312-445 AMERITECH ILLINOIS CHICGOZN01
312-446 SPRINT SPECTRUM L.P. CHICGOZN01
312-447 AMERITECH ILLINOIS CHICGOZN01
312-448 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-450 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-451 T-MOBILE USA, INC. CHICGOZN01
312-453 MCI WORLDCOM COMMUNICATIONS, INC. - IL CHICGOZN01
312-454 AMERITECH ILLINOIS CHICGOZN01
312-455 AMERITECH ILLINOIS CHICGOZN01
312-456 AMERITECH ILLINOIS CHICGOZN01
312-458 AMERITECH ILLINOIS CHICGOZN01
312-459 T-MOBILE USA, INC. CHICGOZN01
312-460 AMERITECH ILLINOIS CHICGOZN01
312-461 AMERITECH ILLINOIS CHICGOZN01
312-462 AMERITECH ILLINOIS CHICGOZN01
312-463 AMERITECH ILLINOIS CHICGOZN01
312-464 AMERITECH ILLINOIS CHICGOZN01
312-465 US XCHANGE OF ILLINOIS LLC DBA CHOICE ONE COMM IL CHICGOZN01
312-466 AMERITECH ILLINOIS CHICGOZN01
312-467 AMERITECH ILLINOIS CHICGOZN01
312-469 AMERITECH ILLINOIS CHICGOZN01
312-470 MCIMETRO ACCESS TRANSMISSION SERVICES LLC CHICGOZN01
312-471 MCIMETRO ACCESS TRANSMISSION SERVICES LLC CHICGOZN01
312-472 AMERITECH ILLINOIS CHICGOZN01
312-473 YMAX COMMUNICATIONS CORP. - IL CHICGOZN01
312-474 AMERITECH ILLINOIS CHICGOZN01
312-475 AMERITECH ILLINOIS CHICGOZN01
312-476 SPRINT SPECTRUM L.P. CHICGOZN01
312-477 LEVEL 3 COMMUNICATIONS, LLC - IL CHICGOZN01
312-479 AT&T LOCAL CHICGOZN01
312-480 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-482 AMERITECH ILLINOIS CHICGOZN01
312-485 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-486 MCI WORLDCOM COMMUNICATIONS, INC. - IL CHICGOZN01
312-487 METRO PCS, INC. CHICGOZN01
312-488 PG TELECOM OF ILLINOIS INC. - IL CHICGOZN01
312-489 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-491 AMERITECH ILLINOIS CHICGOZN01
312-492 AMERITECH ILLINOIS CHICGOZN01
312-493 T-MOBILE USA, INC. CHICGOZN01
312-494 AMERITECH ILLINOIS CHICGOZN01
312-495 USA MOBILITY WIRELESS, INC. CHICGOZN01
312-496 AMERITECH ILLINOIS CHICGOZN01
312-497 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-498 SPRINT SPECTRUM L.P. CHICGOZN01
312-499 AMERITECH ILLINOIS CHICGOZN01
312-501 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL LA GRANGE
312-502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-503 BROADWING COMMUNICATIONS, LLC - IL CHICGOZN01
312-504 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-506 FIRST COMMUNICATIONS, LLC CHICGOZN01
312-507 AMERITECH ILLINOIS CHICGOZN01
312-508 PEERLESS NETWORK OF ILLINOIS, LLC - IL CHICGOZN01
312-509 PEERLESS NETWORK OF ILLINOIS, LLC - IL CHICGOZN01
312-510 NEW CINGULAR WIRELESS PCS, LLC - IL HINSDALE
312-513 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-515 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-516 AMERITECH ILLINOIS CHICGOZN01
312-517 MCIMETRO ACCESS TRANSMISSION SERVICES LLC CHICGOZN01
312-518 NEW CINGULAR WIRELESS PCS, LLC - IL WHEELING
312-519 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-520 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-521 AT&T LOCAL CHICGOZN01
312-522 T-MOBILE USA, INC. CHICGOZN01
312-523 SPRINT SPECTRUM L.P. CHICGOZN01
312-525 MCIMETRO ACCESS TRANSMISSION SERVICES LLC CHICGOZN01
312-526 AMERITECH ILLINOIS CHICGOZN01
312-527 AMERITECH ILLINOIS CHICGOZN01
312-529 AT&T LOCAL CHICGOZN01
312-531 NEW CINGULAR WIRELESS PCS, LLC - IL HINSDALE
312-532 T-MOBILE USA, INC. CHICGOZN01
312-533 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-534 AMERITECH ILLINOIS CHICGOZN01
312-537 AMERITECH ILLINOIS CHICGOZN01
312-540 AMERITECH ILLINOIS CHICGOZN01
312-541 AMERITECH ILLINOIS CHICGOZN01
312-542 AMERITECH ILLINOIS CHICGOZN01
312-543 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-544 AMERITECH ILLINOIS CHICGOZN01
312-545 SPRINT SPECTRUM L.P. CHICGOZN01
312-546 LEVEL 3 COMMUNICATIONS, LLC - IL CHICGOZN01
312-547 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-548 BROADWING COMMUNICATIONS, LLC - IL CHICGOZN01
312-549 TELEPORT COMMUNICATIONS AMERICA, LLC - IL CHICGOZN01
312-550 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-551 AMERITECH ILLINOIS CHICGOZN01
312-552 AMERITECH ILLINOIS CHICGOZN01
312-553 AMERITECH ILLINOIS CHICGOZN01
312-554 AMERITECH ILLINOIS CHICGOZN01
312-555 AMERITECH ILLINOIS CHICGOZN01
312-557 AMERITECH ILLINOIS CHICGOZN01
312-558 AMERITECH ILLINOIS CHICGOZN01
312-559 AMERITECH ILLINOIS CHICGOZN01
312-560 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-561 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-563 AMERITECH ILLINOIS CHICGOZN01
312-564 FIRST COMMUNICATIONS, LLC CHICGOZN01
312-565 AMERITECH ILLINOIS CHICGOZN01
312-566 AMERITECH ILLINOIS CHICGOZN01
312-567 AMERITECH ILLINOIS CHICGOZN01
312-568 AMERITECH ILLINOIS CHICGOZN01
312-569 AMERITECH ILLINOIS CHICGOZN01
312-572 AMERITECH ILLINOIS CHICGOZN01
312-573 AMERITECH ILLINOIS CHICGOZN01
312-574 AMERITECH ILLINOIS CHICGOZN01
312-575 AMERITECH ILLINOIS CHICGOZN01
312-576 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-577 MCI WORLDCOM COMMUNICATIONS, INC. - IL CHICGOZN01
312-578 AMERITECH ILLINOIS CHICGOZN01
312-579 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-580 AMERITECH ILLINOIS CHICGOZN01
312-582 AMERITECH ILLINOIS CHICGOZN01
312-583 AMERITECH ILLINOIS CHICGOZN01
312-585 MCIMETRO ACCESS TRANSMISSION SERVICES LLC CHICGOZN01
312-586 NEUTRAL TANDEM-ILLINOIS, LLC CHICGOZN01
312-587 AMERITECH ILLINOIS CHICGOZN01
312-588 AMERITECH ILLINOIS CHICGOZN01
312-589 AMERITECH ILLINOIS CHICGOZN01
312-590 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-591 AMERITECH ILLINOIS CHICGOZN01
312-593 T-MOBILE USA, INC. CHICGOZN01
312-594 MCIMETRO ACCESS TRANSMISSION SERVICES LLC CHICGOZN01
312-595 AMERITECH ILLINOIS CHICGOZN01
312-596 TELEPORT COMMUNICATIONS AMERICA, LLC - IL CHICGOZN01
312-597 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-599 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-600 NEUTRAL TANDEM-ILLINOIS, LLC - IL CHICGOZN01
312-601 MCIMETRO ACCESS TRANSMISSION SERVICES LLC CHICGOZN01
312-602 BROADWING COMMUNICATIONS, LLC - IL CHICGOZN01
312-603 AMERITECH ILLINOIS CHICGOZN01
312-604 XO ILLINOIS, INC. CHICGOZN01
312-606 AMERITECH ILLINOIS CHICGOZN01
312-607 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-608 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-609 AMERITECH ILLINOIS CHICGOZN01
312-610 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-612 AMERITECH ILLINOIS CHICGOZN01
312-613 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-614 AMERITECH ILLINOIS CHICGOZN01
312-616 AMERITECH ILLINOIS CHICGOZN01
312-617 SPRINT SPECTRUM L.P. CHICGOZN01
312-618 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-619 T-MOBILE USA, INC. CHICGOZN01
312-620 BANDWIDTH.COM CLEC, LLC - IL CHICGOZN01
312-621 AMERITECH ILLINOIS CHICGOZN01
312-622 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-623 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-624 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL CHICGOZN01
312-625 LEVEL 3 COMMUNICATIONS, LLC - IL CHICGOZN01
312-626 NEUTRAL TANDEM-ILLINOIS, LLC CHICGOZN01
312-627 AMERITECH ILLINOIS CHICGOZN01
312-628 XO ILLINOIS, INC. CHICGOZN01
312-629 AMERITECH ILLINOIS CHICGOZN01
312-630 AMERITECH ILLINOIS CHICGOZN01
312-631 CENTURYLINK COMMUNICATIONS LLC CHICGOZN01
312-632 AMERITECH ILLINOIS CHICGOZN01
312-633 AMERITECH ILLINOIS CHICGOZN01
312-634 AMERITECH ILLINOIS CHICGOZN01
312-635 GLOBAL CROSSING LOCAL SERVICES, INC.-IL CHICGOZN01
312-636 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-637 BROADWING COMMUNICATIONS, LLC - IL CHICGOZN01
312-638 BROADWING COMMUNICATIONS, LLC - IL CHICGOZN01
312-639 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-640 AMERITECH ILLINOIS CHICGOZN01
312-641 AMERITECH ILLINOIS CHICGOZN01
312-642 AMERITECH ILLINOIS CHICGOZN01
312-643 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL CHICGOZN01
312-644 AMERITECH ILLINOIS CHICGOZN01
312-645 AMERITECH ILLINOIS CHICGOZN01
312-646 BROADWING COMMUNICATIONS, LLC - IL CHICGOZN01
312-647 T-MOBILE USA, INC. CHICGOZN01
312-648 AMERITECH ILLINOIS CHICGOZN01
312-649 AMERITECH ILLINOIS CHICGOZN01
312-650 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL CHICGOZN01
312-651 AMERITECH ILLINOIS CHICGOZN01
312-653 AMERITECH ILLINOIS CHICGOZN01
312-654 AMERITECH ILLINOIS CHICGOZN01
312-655 AMERITECH ILLINOIS CHICGOZN01
312-656 SPRINT SPECTRUM L.P. CHICGOZN01
312-658 AMERITECH ILLINOIS CHICGOZN01
312-659 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-660 TELEPORT COMMUNICATIONS AMERICA, LLC - IL CHICGOZN01
312-661 AMERITECH ILLINOIS CHICGOZN01
312-662 AMERITECH ILLINOIS CHICGOZN01
312-663 AMERITECH ILLINOIS CHICGOZN01
312-664 AMERITECH ILLINOIS CHICGOZN01
312-665 TELEPORT COMMUNICATIONS AMERICA, LLC - IL CHICGOZN01
312-666 AMERITECH ILLINOIS CHICGOZN01
312-667 PEERLESS NETWORK OF ILLINOIS, LLC - IL CHICGOZN01
312-669 AMERITECH ILLINOIS CHICGOZN01
312-670 AMERITECH ILLINOIS CHICGOZN01
312-671 SPRINT SPECTRUM L.P. CHICGOZN01
312-673 FIRST COMMUNICATIONS LLC - IL CHICGOZN01
312-674 AMERITECH ILLINOIS CHICGOZN01
312-675 AMERITECH ILLINOIS CHICGOZN01
312-676 FIRST COMMUNICATIONS LLC - IL CHICGOZN01
312-678 T-MOBILE USA, INC. CHICGOZN01
312-681 AMERITECH ILLINOIS CHICGOZN01
312-683 AMERITECH ILLINOIS CHICGOZN01
312-685 SPRINT SPECTRUM L.P. CHICGOZN01
312-687 T-MOBILE USA, INC. CHICGOZN01
312-689 AMERICAN MESSAGING SERVICES, LLC CHICGOZN01
312-690 RCLEC, INC. - IL CHICGOZN01
312-692 AMERITECH ILLINOIS CHICGOZN01
312-693 AMERITECH ILLINOIS CHICGOZN01
312-694 AMERITECH ILLINOIS CHICGOZN01
312-695 AMERITECH ILLINOIS CHICGOZN01
312-696 AMERITECH ILLINOIS CHICGOZN01
312-697 AMERITECH ILLINOIS CHICGOZN01
312-698 BROADWING COMMUNICATIONS, LLC - IL CHICGOZN01
312-701 AMERITECH ILLINOIS CHICGOZN01
312-702 MCIMETRO ACCESS TRANSMISSION SERVICES LLC CHICGOZN01
312-704 AMERITECH ILLINOIS CHICGOZN01
312-705 TELEPORT COMMUNICATIONS AMERICA, LLC - IL CHICGOZN01
312-706 TELEPORT COMMUNICATIONS AMERICA, LLC - IL CHICGOZN01
312-707 AMERITECH ILLINOIS CHICGOZN01
312-709 T-MOBILE USA, INC. CHICGOZN01
312-714 AMERITECH ILLINOIS CHICGOZN01
312-715 AMERITECH ILLINOIS CHICGOZN01
312-718 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-719 SPRINT SPECTRUM L.P. CHICGOZN01
312-720 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-722 US XCHANGE OF ILLINOIS LLC DBA CHOICE ONE COMM IL CHICGOZN01
312-723 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-724 BANDWIDTH.COM CLEC, LLC - IL CHICGOZN01
312-725 BANDWIDTH.COM CLEC, LLC - IL CHICGOZN01
312-726 AMERITECH ILLINOIS CHICGOZN01
312-727 AMERITECH ILLINOIS CHICGOZN01
312-729 AMERITECH ILLINOIS CHICGOZN01
312-730 AT&T LOCAL CHICGOZN01
312-731 T-MOBILE USA, INC. CHICGOZN01
312-732 AMERITECH ILLINOIS CHICGOZN01
312-733 AMERITECH ILLINOIS CHICGOZN01
312-734 TELEPORT COMMUNICATIONS AMERICA, LLC - IL CHICGOZN01
312-735 SPRINT SPECTRUM L.P. CHICGOZN04
312-736 TELEPORT COMMUNICATIONS AMERICA, LLC - IL CHICGOZN01
312-737 AMERITECH ILLINOIS CHICGOZN01
312-738 AMERITECH ILLINOIS CHICGOZN01
312-739 AMERITECH ILLINOIS CHICGOZN01
312-741 OVATION COMMUNICATIONS OF ILLINOIS, INC. CHICGOZN01
312-742 AMERITECH ILLINOIS CHICGOZN01
312-743 AMERITECH ILLINOIS CHICGOZN01
312-744 AMERITECH ILLINOIS CHICGOZN01
312-745 AMERITECH ILLINOIS CHICGOZN01
312-746 AMERITECH ILLINOIS CHICGOZN01
312-747 AMERITECH ILLINOIS CHICGOZN01
312-749 NEW CINGULAR WIRELESS PCS, LLC - IL HINSDALE
312-750 AMERITECH ILLINOIS CHICGOZN01
312-751 AMERITECH ILLINOIS CHICGOZN01
312-752 BROADWING COMMUNICATIONS, LLC - IL CHICGOZN01
312-753 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL CHICGOZN01
312-754 LEVEL 3 TELECOM OF ILLINOIS, LLC - IL CHICGOZN01
312-755 AMERITECH ILLINOIS CHICGOZN01
312-756 AMERITECH ILLINOIS CHICGOZN01
312-757 GETGO COMMUNICATIONS LLC - IL CHICGOZN01
312-758 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-759 AMERITECH ILLINOIS CHICGOZN01
312-762 AMERITECH ILLINOIS CHICGOZN01
312-763 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL CHICGOZN01
312-764 TELEPORT COMMUNICATIONS AMERICA, LLC - IL CHICGOZN01
312-765 AMERITECH ILLINOIS CHICGOZN01
312-766 PEERLESS NETWORK OF ILLINOIS, LLC - IL CHICGOZN01
312-767 BANDWIDTH.COM CLEC, LLC - IL CHICGOZN01
312-768 AT&T LOCAL CHICGOZN01
312-770 AMERITECH ILLINOIS CHICGOZN01
312-771 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-772 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-774 T-MOBILE USA, INC. CHICGOZN01
312-775 AMERITECH ILLINOIS CHICGOZN01
312-777 TELEPORT COMMUNICATIONS AMERICA, LLC - IL CHICGOZN01
312-778 NEUTRAL TANDEM-ILLINOIS, LLC CHICGOZN01
312-780 MCI WORLDCOM COMMUNICATIONS, INC. - IL CHICGOZN01
312-781 AMERITECH ILLINOIS CHICGOZN01
312-782 AMERITECH ILLINOIS CHICGOZN01
312-784 FIRST COMMUNICATIONS LLC - IL CHICGOZN01
312-785 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-786 AMERITECH ILLINOIS CHICGOZN01
312-787 AMERITECH ILLINOIS CHICGOZN01
312-788 AMERITECH ILLINOIS CHICGOZN01
312-789 AMERITECH ILLINOIS CHICGOZN01
312-791 AMERITECH ILLINOIS CHICGOZN01
312-792 MCIMETRO ACCESS TRANSMISSION SERVICES LLC CHICGOZN01
312-793 AMERITECH ILLINOIS CHICGOZN01
312-794 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL CHICGOZN01
312-795 AMERITECH ILLINOIS CHICGOZN01
312-796 PEERLESS NETWORK OF ILLINOIS, LLC - IL CHICGOZN01
312-798 AMERITECH ILLINOIS CHICGOZN01
312-799 AMERITECH ILLINOIS CHICGOZN01
312-800 PEERLESS NETWORK OF ILLINOIS, LLC - IL CHICGOZN01
312-801 365 WIRELESS, LLC CHICGOZN01
312-802 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-803 MCI WORLDCOM COMMUNICATIONS, INC. - IL CHICGOZN01
312-804 T-MOBILE USA, INC. CHICGOZN01
312-805 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-806 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-807 AMERITECH ILLINOIS CHICGOZN01
312-808 AMERITECH ILLINOIS CHICGOZN01
312-809 MCIMETRO ACCESS TRANSMISSION SERVICES LLC CHICGOZN01
312-810 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-813 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-814 AMERITECH ILLINOIS CHICGOZN01
312-816 NEW CINGULAR WIRELESS PCS, LLC - IL HINSDALE
312-818 T-MOBILE USA, INC. CHICGOZN01
312-819 AMERITECH ILLINOIS CHICGOZN01
312-821 MCI WORLDCOM COMMUNICATIONS, INC. - IL CHICGOZN01
312-822 AMERITECH ILLINOIS CHICGOZN01
312-823 AMERITECH ILLINOIS CHICGOZN01
312-824 MCIMETRO ACCESS TRANSMISSION SERVICES LLC CHICGOZN01
312-827 AMERITECH ILLINOIS CHICGOZN01
312-828 AMERITECH ILLINOIS CHICGOZN01
312-829 AMERITECH ILLINOIS CHICGOZN01
312-831 AMERITECH ILLINOIS CHICGOZN01
312-832 AMERITECH ILLINOIS CHICGOZN01
312-833 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-834 AMERITECH ILLINOIS CHICGOZN01
312-835 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-836 AMERITECH ILLINOIS CHICGOZN01
312-837 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL CHICGOZN01
312-838 T-MOBILE USA, INC. CHICGOZN01
312-840 AMERITECH ILLINOIS CHICGOZN01
312-841 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-842 AMERITECH ILLINOIS CHICGOZN01
312-843 TELEPORT COMMUNICATIONS AMERICA, LLC - IL CHICGOZN01
312-845 AMERITECH ILLINOIS CHICGOZN01
312-846 AMERITECH ILLINOIS CHICGOZN01
312-848 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-849 AMERITECH ILLINOIS CHICGOZN01
312-850 AMERITECH ILLINOIS CHICGOZN01
312-852 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-853 AMERITECH ILLINOIS CHICGOZN01
312-854 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL CHICGOZN01
312-855 AMERITECH ILLINOIS CHICGOZN01
312-856 AMERITECH ILLINOIS CHICGOZN01
312-857 AMERITECH ILLINOIS CHICGOZN01
312-858 RCLEC, INC. - IL CHICGOZN01
312-859 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-860 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-861 AMERITECH ILLINOIS CHICGOZN01
312-862 AMERITECH ILLINOIS CHICGOZN01
312-863 OVATION COMMUNICATIONS OF ILLINOIS, INC. CHICGOZN01
312-864 AMERITECH ILLINOIS CHICGOZN01
312-866 T-MOBILE USA, INC. CHICGOZN01
312-867 AMERITECH ILLINOIS CHICGOZN01
312-868 BANDWIDTH.COM CLEC, LLC - IL CHICGOZN01
312-869 AMERITECH ILLINOIS CHICGOZN01
312-870 FIRST COMMUNICATIONS LLC - IL CHICGOZN01
312-871 MCIMETRO ACCESS TRANSMISSION SERVICES LLC CHICGOZN01
312-872 LEVEL 3 COMMUNICATIONS, LLC - IL CHICGOZN01
312-873 MCI WORLDCOM COMMUNICATIONS, INC. - IL CHICGOZN01
312-875 AMERITECH ILLINOIS CHICGOZN01
312-876 AMERITECH ILLINOIS CHICGOZN01
312-877 AT&T CORP. CHICGOZN01
312-878 PEERLESS NETWORK OF ILLINOIS, LLC - IL CHICGOZN01
312-879 AMERITECH ILLINOIS CHICGOZN01
312-880 AMERITECH ILLINOIS CHICGOZN01
312-881 OVATION COMMUNICATIONS OF ILLINOIS, INC. CHICGOZN01
312-882 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-883 BANDWIDTH.COM CLEC, LLC - IL CHICGOZN01
312-884 OVATION COMMUNICATIONS OF ILLINOIS, INC. CHICGOZN01
312-885 T-MOBILE USA, INC. CHICGOZN01
312-886 AMERITECH ILLINOIS CHICGOZN01
312-888 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-890 SPRINT SPECTRUM L.P. CHICGOZN01
312-893 BROADWING COMMUNICATIONS, LLC - IL CHICGOZN01
312-894 MCIMETRO ACCESS TRANSMISSION SERVICES LLC CHICGOZN01
312-895 BROADWING COMMUNICATIONS, LLC - IL CHICGOZN01
312-896 BROADWING COMMUNICATIONS, LLC - IL CHICGOZN01
312-897 MCIMETRO ACCESS TRANSMISSION SERVICES LLC CHICGOZN01
312-898 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-899 AMERITECH ILLINOIS CHICGOZN01
312-902 AMERITECH ILLINOIS CHICGOZN01
312-904 AMERITECH ILLINOIS CHICGOZN01
312-905 AMERITECH ILLINOIS CHICGOZN01
312-906 AMERITECH ILLINOIS CHICGOZN01
312-907 SPRINT SPECTRUM L.P. CHICGOZN01
312-908 AMERITECH ILLINOIS CHICGOZN01
312-909 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-912 AMERITECH ILLINOIS CHICGOZN01
312-913 AMERITECH ILLINOIS CHICGOZN01
312-914 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-915 AMERITECH ILLINOIS CHICGOZN01
312-917 AMERITECH ILLINOIS CHICGOZN01
312-918 T-MOBILE USA, INC. CHICGOZN01
312-919 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-920 AMERITECH ILLINOIS CHICGOZN01
312-922 AMERITECH ILLINOIS CHICGOZN01
312-923 AMERITECH ILLINOIS CHICGOZN01
312-924 PAETEC COMMUNICATIONS, INC. - IL CHICGOZN01
312-925 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-926 AMERITECH ILLINOIS CHICGOZN01
312-927 T-MOBILE USA, INC. CHICGOZN01
312-928 AMERITECH ILLINOIS CHICGOZN01
312-929 T-MOBILE USA, INC. CHICGOZN01
312-930 AMERITECH ILLINOIS CHICGOZN01
312-931 AMERITECH ILLINOIS CHICGOZN01
312-932 AMERITECH ILLINOIS CHICGOZN01
312-933 SPRINT SPECTRUM L.P. CHICGOZN01
312-935 AMERITECH ILLINOIS CHICGOZN01
312-938 AMERITECH ILLINOIS CHICGOZN01
312-939 AMERITECH ILLINOIS CHICGOZN01
312-940 PEERLESS NETWORK OF ILLINOIS, LLC - IL CHICGOZN01
312-942 AMERITECH ILLINOIS CHICGOZN01
312-943 AMERITECH ILLINOIS CHICGOZN01
312-944 AMERITECH ILLINOIS CHICGOZN01
312-945 AMERITECH ILLINOIS CHICGOZN01
312-946 AMERITECH ILLINOIS CHICGOZN01
312-947 AMERITECH ILLINOIS CHICGOZN01
312-948 OVATION COMMUNICATIONS OF ILLINOIS, INC. CHICGOZN01
312-949 AMERITECH ILLINOIS CHICGOZN01
312-951 AMERITECH ILLINOIS CHICGOZN01
312-952 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-953 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-955 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL CHICGOZN01
312-957 AMERITECH ILLINOIS CHICGOZN01
312-959 AMERITECH ILLINOIS
312-960 AMERITECH ILLINOIS CHICGOZN01
312-961 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-962 GLOBAL CROSSING LOCAL SERVICES, INC.-IL CHICGOZN01
312-964 NEUTRAL TANDEM-ILLINOIS, LLC CHICGOZN01
312-965 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL CHICGOZN01
312-966 METRO PCS, INC. CHICGOZN01
312-967 BANDWIDTH.COM CLEC, LLC - IL CHICGOZN01
312-968 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL LA GRANGE
312-969 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL LA GRANGE
312-970 AMERITECH ILLINOIS CHICGOZN01
312-972 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-973 MCIMETRO ACCESS TRANSMISSION SERVICES LLC CHICGOZN01
312-977 AMERITECH ILLINOIS CHICGOZN01
312-978 T-MOBILE USA, INC. CHICGOZN01
312-980 TELEPORT COMMUNICATIONS AMERICA, LLC - IL CHICGOZN01
312-981 OVATION COMMUNICATIONS OF ILLINOIS, INC. CHICGOZN01
312-982 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL CHICGOZN01
312-983 AMERITECH ILLINOIS CHICGOZN01
312-984 AMERITECH ILLINOIS CHICGOZN01
312-985 OVATION COMMUNICATIONS OF ILLINOIS, INC. CHICGOZN01
312-986 AMERITECH ILLINOIS CHICGOZN01
312-987 AMERITECH ILLINOIS CHICGOZN01
312-988 AMERITECH ILLINOIS CHICGOZN01
312-989 NEW CINGULAR WIRELESS PCS, LLC - IL CHICGOZN01
312-992 AMERITECH ILLINOIS CHICGOZN01
312-993 AMERITECH ILLINOIS CHICGOZN01
312-994 OVATION COMMUNICATIONS OF ILLINOIS, INC. CHICGOZN01
312-995 TELEPORT COMMUNICATIONS AMERICA, LLC - IL CHICGOZN01
312-996 AMERITECH ILLINOIS CHICGOZN01
312-997 AMERITECH ILLINOIS CHICGOZN01
312-999 XO ILLINOIS, INC. CHICGOZN01

Area Code 312 Information

Area code 312 belongs to ILLINOIS, UNITED STATES. It is a General Purpose Code which was placed in service on January 1, 1947.

Type General Purpose Code
Use Geograpic
Location ILLINOIS (IL)
Country UNITED STATES
Service Date 01/01/1947
Service