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Ad Unit
Place a vertical ad here.| Prefix | City | Company | Line type | Open |
|---|---|---|---|---|
| 377 | Buffalo Grove | Sprint Spectrum L.p. | Wireless | View |
| 381 | Chicago | T-mobile Usa Inc. | Wireless | View |
| 383 | Chicago | Cimco Communications Inc. - Il | Landline | View |
| 387 | Arlington Heights | Sprint Spectrum L.p. | Wireless | View |
| 388 | Chicago | T-mobile Usa Inc. | Wireless | View |
| 392 | Chicago | T-mobile Usa Inc. | Wireless | View |
| 399 | North Chicago | Ameritech Illinois | Landline | View |
| 400 | Arlington Heights | Xo Illinois Inc. | Landline | View |
| 401 | Schaumburg | New Cingular Wireless Pcs Llc - Il | Wireless | View |
| 402 | Chicago | T-mobile Usa Inc. | Wireless | View |
| 404 | Elk Grove Village | Ameritech Illinois | Landline | View |
| 405 | Chicago | Level 3 Communications Llc - Il | Landline | View |
| 406 | Elgin | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 407 | Elgin | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 408 | Mount Prospect | Comcast Phone Of Illinois Llc Dba Comco - Il | Landline | View |
| 409 | Chicago | T-mobile Usa Inc. | Wireless | View |
| 410 | Chicago | T-mobile Usa Inc. | Wireless | View |
| 419 | Schaumburg | Denali Spectrum License Llc | Landline | View |
| 420 | Schaumburg | New Cingular Wireless Pcs Llc - Il | Wireless | View |
| 422 | Elgin | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 425 | Chicago | T-mobile Usa Inc. | Wireless | View |
| 427 | Chicago | T-mobile Usa Inc. | Wireless | View |
| 430 | Schaumburg | New Cingular Wireless Pcs Llc - Il | Wireless | View |
| 433 | Chicago | T-mobile Usa Inc. | Wireless | View |
| 436 | Chicago | T-mobile Usa Inc. | Wireless | View |
| 440 | Northbrook | Denali Spectrum License Llc | Landline | View |
| 441 | Northbrook | Denali Spectrum License Llc | Landline | View |
| 444 | Lake Villa | Ameritech Illinois | Landline | View |
| 456 | Elgin | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 465 | Arlington Heights | Sprint Spectrum L.p. | Wireless | View |
| 473 | Elk Grove Village | Mci Worldcom Communications Inc. - Il | Landline | View |
| 475 | Schaumburg | Comcast Phone Of Illinois Llc Dba Comco - Il | Landline | View |
| 484 | Chicago | Cimco Communications Inc. - Il | Landline | View |
| 489 | Lombard | United States Cellular Corp. - Illinois | Wireless | View |
| 500 | Elgin | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 501 | Chicago | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 512 | Hoffman Estates | Ameritech Illinois | Landline | View |
| 513 | Chicago | Global Crossing Local Services Inc.-il | Landline | View |
| 515 | Buffalo Grove | New Cingular Wireless Pcs Llc - Il | Wireless | View |
| 520 | Schaumburg | New Cingular Wireless Pcs Llc - Il | Wireless | View |
| 521 | Glenview | Ameritech Illinois | Landline | View |
| 522 | Chicago | T-mobile Usa Inc. | Wireless | View |
| 523 | Elgin | T-mobile Usa Inc. | Wireless | View |
| 531 | Elgin | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 532 | Schaumburg | New Cingular Wireless Pcs Llc - Il | Wireless | View |
| 533 | Chicago | Globalcom Inc.-il | Landline | View |
| 534 | Chicago | Paetec Communications Inc. - Il | Landline | View |
| 535 | Oak Brook | At&t Local | Landline | View |
| 538 | Arlington Heights | Sprint Spectrum L.p. | Wireless | View |
| 541 | Grayslake | Ameritech Illinois | Landline | View |
| 542 | Wheeling | Ameritech Illinois | Landline | View |
| 543 | Vernon Hills | Broadwing Communications Llc - Il | Landline | View |
| 544 | Lake Forest | Ameritech Illinois | Landline | View |
| 545 | Elgin | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 548 | Elgin | Sprint Spectrum L.p. | Wireless | View |
| 552 | Lake Forest | Ameritech Illinois | Landline | View |
| 554 | Rolling Meadows | Teleport Communications America Llc - Il | Landline | View |
| 558 | Arlington Heights | Sprint Spectrum L.p. | Wireless | View |
| 563 | Elgin | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 565 | Arlington Heights | Sprint Spectrum L.p. | Wireless | View |
| 567 | Elgin | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 568 | Elk Grove Village | Mci Worldcom Communications Inc. - Il | Landline | View |
| 569 | Huntley | Ameritech Illinois | Landline | View |
| 572 | Schaumburg | Ameritech Illinois | Landline | View |
| 577 | Lombard | United States Cellular Corp. - Illinois | Wireless | View |
| 578 | Chicago | T-mobile Usa Inc. | Wireless | View |
| 585 | Chicago | Level 3 Communications Llc - Il | Landline | View |
| 587 | Arlington Heights | Sprint Spectrum L.p. | Wireless | View |
| 588 | Buffalo Grove | Sprint Spectrum L.p. | Wireless | View |
| 592 | Chicago | Ameritech Illinois | Landline | View |
| 595 | Chicago | T-mobile Usa Inc. | Wireless | View |
| 600 | Chicago | T-mobile Usa Inc. | Wireless | View |
| 601 | Chicago | Ameritech Illinois | Landline | View |
| 603 | Chicago | Level 3 Communications Llc - Il | Landline | View |
| 610 | North Chicago | Comcast Phone Of Illinois Llc Dba Comco - Il | Landline | View |
| 612 | Elgin | Cellco Partnership Dba Verizon Wireless - Il | Wireless | View |
| 616 | Chicago | T-mobile Usa Inc. | Wireless | View |
| 619 | Chicago | T-mobile Usa Inc. | Wireless | View |
| 622 | Chicago | T-mobile Usa Inc. | Wireless | View |
| 623 | Chicago | T-mobile Usa Inc. | Wireless | View |
| 625 | Arlington Heights | Ameritech Illinois | Landline | View |
| 627 | Arlington Heights | Sprint Spectrum L.p. | Wireless | View |
| 628 | Chicago | T-mobile Usa Inc. | Wireless | View |
| 629 | Buffalo Grove | Sprint Spectrum L.p. | Wireless | View |
| 632 | Deerfield | Ameritech Illinois | Landline | View |
| 633 | Chicago | Level 3 Communications Llc - Il | Landline | View |
| 634 | Northbrook | Denali Spectrum License Llc | Landline | View |
| 635 | Oak Brook | Ymax Communications Corp. - Il | Landline | View |
| 636 | Lombard | United States Cellular Corp. - Illinois | Wireless | View |
| 637 | Arlington Heights | Sprint Spectrum L.p. | Wireless | View |
| 639 | Lombard | Cbeyond Communications Llc - Il | Landline | View |
| 643 | Chicago | Ameritech Illinois | Landline | View |
| 645 | Arlington Heights | Sprint Spectrum L.p. | Wireless | View |
| 649 | Chicago | Peerless Network Of Illinois Llc - Il | Landline | View |
| 650 | Northbrook | Denali Spectrum License Llc | Landline | View |
| 653 | Schaumburg | Ameritech Illinois | Landline | View |
| 654 | Chicago | Ameritech Illinois | Landline | View |
| 655 | Chicago | Level 3 Communications Llc - Il | Landline | View |
| 656 | Arlington Heights | Mcimetro Access Transmission Services Llc | Landline | View |
| 659 | Chicago | T-mobile Usa Inc. | 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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