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Home / Area 312
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Ad Unit
Place a vertical ad here.| Prefix | City | Company | Line type | Open |
|---|---|---|---|---|
| 413 | Chicago | Ameritech Illinois | Landline | View |
| 415 | Elgin | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 416 | Elk Grove Village | Mci Worldcom Communications Inc. - Il | Landline | View |
| 417 | Chicago | Ameritech Illinois | Landline | View |
| 418 | Hinsdale | Usa Mobility Wireless Inc. | Wireless | View |
| 419 | Chicago | Ameritech Illinois | Landline | View |
| 420 | Willowbrook | New Cingular Wireless Pcs Llc - Il | Wireless | View |
| 421 | Chicago | Ameritech Illinois | Landline | View |
| 422 | Chicago | Ameritech Illinois | Landline | View |
| 423 | Arlington Heights | Broadwing Communications Llc - Il | Landline | View |
| 424 | Chicago | Ameritech Illinois | Landline | View |
| 425 | Chicago | Ameritech Illinois | Landline | View |
| 426 | Hinsdale | Usa Mobility Wireless Inc. | Wireless | View |
| 427 | Chicago | Ameritech Illinois | Landline | View |
| 428 | Oak Brook | Level 3 Communications Llc - Il | Landline | View |
| 429 | Chicago | Global Crossing Local Services Inc.-il | Landline | View |
| 430 | Chicago | Ameritech Illinois | Landline | View |
| 431 | Chicago | Ameritech Illinois | Landline | View |
| 432 | Chicago | Ameritech Illinois | Landline | View |
| 433 | Chicago | Ameritech Illinois | Landline | View |
| 434 | Bridgeview | Sprint Spectrum L.p. | Wireless | View |
| 435 | Chicago | Ameritech Illinois | Landline | View |
| 436 | Chicago | Ameritech Illinois | Landline | View |
| 437 | Lombard | United States Cellular Corp. - Illinois | Wireless | View |
| 440 | Chicago | Ameritech Illinois | Landline | View |
| 441 | Chicago | Ameritech Illinois | Landline | View |
| 442 | Chicago | Ameritech Illinois | Landline | View |
| 443 | Chicago | Ameritech Illinois | Landline | View |
| 444 | Chicago | Ameritech Illinois | Landline | View |
| 445 | Chicago | Ameritech Illinois | Landline | View |
| 446 | Buffalo Grove | Sprint Spectrum L.p. | Wireless | View |
| 447 | Chicago | Ameritech Illinois | Landline | View |
| 448 | Elgin | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 449 | Chicago | American Messaging (am) Inc. | Landline | View |
| 450 | Willowbrook | New Cingular Wireless Pcs Llc - Il | Wireless | View |
| 451 | Chicago | T-mobile Usa Inc. | Wireless | View |
| 452 | Chicago | American Messaging (am) Inc. | Landline | View |
| 453 | Elk Grove Village | Mci Worldcom Communications Inc. - Il | Landline | View |
| 454 | Chicago | Ameritech Illinois | Landline | View |
| 455 | Chicago | Ameritech Illinois | Landline | View |
| 456 | Chicago | Ameritech Illinois | Landline | View |
| 457 | Chicago | American Messaging (am) Inc. | Landline | View |
| 458 | Chicago | Ameritech Illinois | Landline | View |
| 459 | Chicago | T-mobile Usa Inc. | Wireless | View |
| 460 | Chicago | Ameritech Illinois | Landline | View |
| 461 | Chicago | Ameritech Illinois | Landline | View |
| 462 | Chicago | Ameritech Illinois | Landline | View |
| 463 | Chicago | Ameritech Illinois | Landline | View |
| 464 | Chicago | Ameritech Illinois | Landline | View |
| 465 | Elgin | Us Xchange Of Illinois Llc Dba Choice One Comm Il | Landline | View |
| 466 | Chicago | Ameritech Illinois | Landline | View |
| 467 | Chicago | Ameritech Illinois | Landline | View |
| 469 | Chicago | Ameritech Illinois | Landline | View |
| 470 | Bensenville | Mcimetro Access Transmission Services Llc | Landline | View |
| 472 | Chicago | Ameritech Illinois | Landline | View |
| 473 | Oak Brook | Ymax Communications Corp. - Il | Landline | View |
| 474 | Chicago | Ameritech Illinois | Landline | View |
| 475 | Chicago | Ameritech Illinois | Landline | View |
| 476 | Chicago | United States Cellular Corp. - Illinois | Wireless | View |
| 477 | Chicago | Level 3 Communications Llc - Il | Landline | View |
| 478 | Chicago | Cibolo Creek Ventures Llc Dba Routepoint Comm Il | Landline | View |
| 479 | Chicago | At&t Local | Landline | View |
| 480 | Willowbrook | New Cingular Wireless Pcs Llc - Il | Wireless | View |
| 482 | Chicago | Ameritech Illinois | Landline | View |
| 484 | Hinsdale | Usa Mobility Wireless Inc. | Wireless | View |
| 485 | Elgin | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 486 | Elk Grove Village | Mci Worldcom Communications Inc. - Il | Landline | View |
| 488 | Chicago | Pg Telecom Of Illinois Inc. - Il | Landline | View |
| 489 | Elgin | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 490 | Hinsdale | Usa Mobility Wireless Inc. | Wireless | View |
| 491 | Chicago | Ameritech Illinois | Landline | View |
| 492 | Chicago | Ameritech Illinois | Landline | View |
| 493 | Chicago | T-mobile Usa Inc. | Wireless | View |
| 494 | Chicago | Ameritech Illinois | Landline | View |
| 495 | Hinsdale | Usa Mobility Wireless Inc. | Wireless | View |
| 496 | Chicago | Ameritech Illinois | Landline | View |
| 497 | Elgin | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 498 | Bridgeview | Sprint Spectrum L.p. | Wireless | View |
| 499 | Chicago | Ameritech Illinois | Landline | View |
| 501 | Hickory Hills | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 502 | Elgin | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 503 | Chicago | Broadwing Communications Llc - Il | Landline | View |
| 504 | Willowbrook | New Cingular Wireless Pcs Llc - Il | Wireless | View |
| 505 | Elgin | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 506 | Chicago | Cimco Communications Inc. - Il | Landline | View |
| 507 | Chicago | Ameritech Illinois | Landline | View |
| 508 | Willowbrook | Peerless Network Of Illinois Llc - Il | Landline | View |
| 509 | Willowbrook | Peerless Network Of Illinois Llc - Il | Landline | View |
| 510 | Willowbrook | New Cingular Wireless Pcs Llc - Il | Wireless | View |
| 512 | Hinsdale | Usa Mobility Wireless Inc. | Wireless | View |
| 513 | Willowbrook | New Cingular Wireless Pcs Llc - Il | Wireless | View |
| 514 | Chicago | American Messaging (am) Inc. | Landline | View |
| 515 | Elgin | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 516 | Chicago | Ameritech Illinois | Landline | View |
| 518 | Schaumburg | New Cingular Wireless Pcs Llc - Il | Wireless | View |
| 519 | Elgin | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 520 | Elgin | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 521 | Chicago | At&t Local | Landline | View |
| 523 | Bridgeview | Sprint Spectrum L.p. | Wireless | View |
| 524 | Schaumburg | New Cingular Wireless Pcs Llc - Il | Wireless | View |
Page Overview
This page provides detailed information and helpful insights related to your search. All data is based on telecom assignment records and community user reports. Use the navigation above to explore related area codes, prefixes, and reported numbers.
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