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Home / Area 815
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Ad Unit
Place a vertical ad here.| Prefix | City | Company | Line type | Open |
|---|---|---|---|---|
| 503 | Peoria | Sprint Spectrum L.p. | Wireless | View |
| 504 | Chicago | Globalcom Inc.-il | Landline | View |
| 505 | Rockford | T-mobile Usa Inc. | Wireless | View |
| 506 | Chicago | Level 3 Communications Llc - Il | Landline | View |
| 507 | Chicago | Level 3 Communications Llc - Il | Landline | View |
| 508 | DeKalb | New Cingular Wireless Pcs Llc - Il | Wireless | View |
| 509 | Rockford | Sprint Spectrum L.p. | Wireless | View |
| 510 | Bloomington | Mediacom Telephony Of Illinois Llc - Il | Landline | View |
| 512 | Chicago | Globalcom Inc.-il | Landline | View |
| 513 | Chicago | Level 3 Communications Llc - Il | Landline | View |
| 514 | Willowbrook | Nextel Communications Inc. | Wireless | View |
| 515 | Chicago | Level 3 Communications Llc - Il | Landline | View |
| 516 | Rockford | Sprint Spectrum L.p. | Wireless | View |
| 517 | Cortland | Mci Worldcom Communications Inc. - Il | Landline | View |
| 518 | Chicago | Globalcom Inc.-il | Landline | View |
| 519 | Rockford | Sprint Spectrum L.p. | Wireless | View |
| 520 | Rockford | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 521 | Minooka | Ameritech Illinois | Landline | View |
| 522 | Kirkland | Frontier North Inc. - Il | Landline | View |
| 523 | Oak Brook | Teleport Communications America Llc - Il | Landline | View |
| 524 | Elmhurst | Teleport Communications America Llc - Il | Landline | View |
| 525 | Madison | Tds Metrocom Inc.-il | Landline | View |
| 526 | Chicago | Teleport Communications America Llc - Il | Landline | View |
| 527 | Chicago | Teleport Communications America Llc - Il | Landline | View |
| 528 | Northbrook | Teleport Communications America Llc - Il | Landline | View |
| 529 | Elgin | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 530 | Elmhurst | Sprint Spectrum L.p. | Wireless | View |
| 531 | Hickory Hills | Teleport Communications America Llc - Il | Landline | View |
| 532 | Hinsdale | Usa Mobility Wireless Inc. | Wireless | View |
| 533 | Hammond | Indiana Paging Ntwk | Landline | View |
| 534 | Chicago | Level 3 Communications Llc - Il | Landline | View |
| 535 | Sterling | Ameritech Illinois | Landline | View |
| 536 | Hinsdale | Usa Mobility Wireless Inc. | Wireless | View |
| 537 | Prophetstown | Citizens Telecom Co Illinois-frontier Citizens -il | Landline | View |
| 538 | Mendota | Frontier North Inc. - Il | Landline | View |
| 539 | Mendota | Frontier North Inc. - Il | Landline | View |
| 540 | Rockford | Sprint Spectrum L.p. | Wireless | View |
| 541 | Rockford | United States Cellular Corp. - Illinois | Wireless | View |
| 542 | New Bedford | Citizens Telecom Co Illinois-frontier Citizens -il | Landline | View |
| 543 | Rockford | United States Cellular Corp. - Illinois | Wireless | View |
| 544 | Belvidere | Frontier North Inc. - Il | Landline | View |
| 545 | Willowbrook | New Cingular Wireless Pcs Llc - Il | Wireless | View |
| 546 | Willowbrook | New Cingular Wireless Pcs Llc - Il | Wireless | View |
| 547 | Belvidere | Frontier North Inc. - Il | Landline | View |
| 548 | Sterling | Ameritech Illinois | Landline | View |
| 549 | Kankakee | Sprint Spectrum L.p. | Wireless | View |
| 550 | Chicago | Broadwing Communications Llc - Il | Landline | View |
| 551 | Sterling | Essex Telcom Inc. | Landline | View |
| 552 | Lockport | Ameritech Illinois | Landline | View |
| 553 | Chicago | Ovation Communications Of Illinois Inc. | Landline | View |
| 554 | Rock Island | Mediacom Telephony Of Illinois Llc - Il | Landline | View |
| 556 | Arlington Heights | Broadwing Communications Llc - Il | Landline | View |
| 557 | Aurora | Sprint Spectrum L.p. | Wireless | View |
| 558 | Rockford | United States Cellular Corp. - Illinois | Wireless | View |
| 559 | Sterling | Essex Telcom Inc. | Landline | View |
| 560 | Buffalo Grove | Sprint Spectrum L.p. | Wireless | View |
| 561 | Rochelle | Frontier North Inc. - Il | Landline | View |
| 562 | Rochelle | Frontier North Inc. - Il | Landline | View |
| 563 | Freeport | Frontier North Inc. - Il | Landline | View |
| 564 | Sterling | Ameritech Illinois | Landline | View |
| 565 | Dixon | Mediacom Telephony Of Illinois Llc - Il | Landline | View |
| 566 | Rockford | Level 3 Communications Llc - Il | Landline | View |
| 567 | Campus | Frontier North Inc. - Il | Landline | View |
| 568 | Marengo | Ameritech Illinois | Landline | View |
| 569 | Capron | Frontier North Inc. - Il | Landline | View |
| 570 | Chicago | Level 3 Communications Llc - Il | Landline | View |
| 571 | DeKalb | Mediacom Telephony Of Illinois Llc - Il | Landline | View |
| 572 | Chicago | Broadwing Communications Llc - Il | Landline | View |
| 573 | Chicago | Level 3 Communications Llc - Il | Landline | View |
| 574 | Sterling | Essex Telcom Inc. | Landline | View |
| 575 | Schaumburg | New Cingular Wireless Pcs Llc - Il | Wireless | View |
| 576 | Sterling | Essex Telcom Inc. | Landline | View |
| 577 | Plainfield | Ameritech Illinois | Landline | View |
| 578 | McHenry | Ameritech Illinois | Landline | View |
| 579 | La Salle | Sprint Spectrum L.p. | Wireless | View |
| 580 | Rockford | At&t Local | Landline | View |
| 581 | Mount Prospect | Comcast Phone Of Illinois Llc Dba Comco - Il | Landline | View |
| 582 | Elgin | T-mobile Usa Inc. | Wireless | View |
| 583 | Sterling | Essex Telcom Inc. | Landline | View |
| 584 | Dwight | Ameritech Illinois | Landline | View |
| 585 | Elgin | Level 3 Communications Llc - Il | Landline | View |
| 586 | Ransom | C-r Telephone Co. | Landline | View |
| 587 | Chicago | Level 3 Communications Llc - Il | Landline | View |
| 588 | Lockport | Ameritech Illinois | Landline | View |
| 589 | Fulton | Citizens Telecom Co Illinois-frontier Citizens -il | Landline | View |
| 590 | Sterling | Sprint Spectrum L.p. | Wireless | View |
| 591 | Hanover | Frontier North Inc. - Il | Landline | View |
| 592 | Hickory Hills | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 593 | DeKalb | At&t Local | Landline | View |
| 594 | Apple River | Frontier North Inc. - Il | Landline | View |
| 595 | DeKalb | At&t Local | Landline | View |
| 596 | Chicago | Sbc Internet Services Inc. | Landline | View |
| 597 | Garden Prairie | Frontier North Inc. - Il | Landline | View |
| 598 | Elizabeth | Frontier North Inc. - Il | Landline | View |
| 599 | Freeport | Frontier North Inc. - Il | Landline | View |
| 600 | Hickory Hills | New Cingular Wireless Pcs Llc - Il | Wireless | View |
| 601 | Rockford | Bitwise Communications Inc. - Il | Landline | View |
| 602 | Chicago | Globalcom Inc.-il | Landline | View |
| 603 | Elgin | T-mobile Usa Inc. | Wireless | View |
| 604 | Sterling | Essex Telcom Inc. | Landline | 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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