All assignees
800 prefixes in 630 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 630-400 | ELGIN | 6529 | 2001-01-25 | — |
| 630-401 | AURORA | 6529 | 2005-10-06 | Yes |
| 630-402 | GENEVA | 318J | — | Yes |
| 630-403 | GLEN ELLYN | 829J | — | Yes |
| 630-404 | NORTHBROOK | 6333 | — | — |
| 630-405 | AURORA | 7196 | 2004-10-11 | Yes |
| 630-406 | BATAVIA | 9329 | — | — |
| 630-407 | WHEATON | 9329 | — | Yes |
| 630-408 | HINSDALE | 6534 | — | — |
| 630-409 | SUGARGROVE | 6115 | — | Yes |
| 630-410 | LEMONT | 7136 | — | Yes |
| 630-411 | XXXXXXXXXX | MULT | — | — |
| 630-412 | BENSENVL | 7136 | — | Yes |
| 630-413 | HINSDALE | 6115 | — | Yes |
| 630-414 | W CHICAGO | 6534 | 2006-05-02 | Yes |
| 630-415 | ELMHURST | 9329 | — | Yes |
| 630-416 | NAPERVILLE | 9329 | — | — |
| 630-417 | LA GRANGE | 6529 | — | Yes |
| 630-418 | HINSDALE | 6534 | — | — |
| 630-419 | LA GRANGE | 6630 | — | — |
| 630-420 | NAPERVILLE | 9329 | — | — |
| 630-421 | NORTHBROOK | 6333 | — | Yes |
| 630-422 | BENSENVL | 7136 | — | Yes |
| 630-423 | AURORA | 7136 | — | Yes |
| 630-424 | LOMBARD | 9329 | — | — |
| 630-425 | BATAVIA | 7136 | — | Yes |
| 630-426 | LOMBARD | 7136 | — | Yes |
| 630-427 | DOWNERSGRV | 9329 | — | Yes |
| 630-428 | NAPERVILLE | 9329 | — | — |
| 630-429 | AURORA | 7136 | — | Yes |
| 630-430 | LA GRANGE | 6529 | — | Yes |
| 630-431 | ROSELLE | 6534 | — | Yes |
| 630-432 | DOWNERSGRV | 6333 | 2008-06-12 | Yes |
| 630-433 | ELMHURST | 7229 | — | Yes |
| 630-434 | DOWNERSGRV | 9329 | — | — |
| 630-435 | DOWNERSGRV | 9329 | — | Yes |
| 630-436 | ROSELLE | 6534 | — | Yes |
| 630-437 | DOWNERSGRV | 829J | 2001-04-10 | Yes |
| 630-438 | ITASCA | 7229 | — | Yes |
| 630-439 | ROSELLE | 7229 | — | Yes |
| 630-440 | W CHICAGO | 6529 | 2001-02-12 | Yes |
| 630-441 | DOWNERSGRV | 7136 | — | Yes |
| 630-442 | DOWNERSGRV | 7136 | — | Yes |
| 630-443 | ST CHARLES | 9329 | — | — |
| 630-444 | ST CHARLES | 9329 | — | Yes |
| 630-445 | NAPERVILLE | 7136 | — | Yes |
| 630-446 | GLEN ELLYN | 7229 | — | Yes |
| 630-447 | WARRENVL | 6115 | 2006-04-13 | Yes |
| 630-448 | ELBURN | 6115 | — | Yes |
| 630-449 | AURORA | 7136 | — | Yes |
| 630-450 | AURORA | 6333 | 2005-10-17 | Yes |
| 630-451 | BENSENVL | 6115 | — | Yes |
| 630-452 | LA GRANGE | 6529 | — | Yes |
| 630-453 | NAPERVILLE | 6333 | 2005-11-21 | Yes |
| 630-454 | BATAVIA | 7196 | — | Yes |
| 630-455 | HINSDALE | 9329 | — | Yes |
| 630-456 | WHEATON | 7136 | — | Yes |
| 630-457 | GENEVA | 6115 | — | Yes |
| 630-458 | ELMHURST | 9329 | — | Yes |
| 630-459 | NORTHBROOK | 6333 | — | Yes |
| 630-460 | LA GRANGE | 6534 | — | — |
| 630-461 | ROSELLE | 6529 | — | Yes |
| 630-462 | WHEATON | 9329 | — | — |
| 630-463 | GENEVA | 7229 | — | Yes |
| 630-464 | ROSELLE | 6534 | — | — |
| 630-465 | SUGARGROVE | 984E | 2010-07-21 | Yes |
| 630-466 | SUGARGROVE | 9329 | — | — |
| 630-467 | ITASCA | 9329 | — | Yes |
| 630-468 | HINSDALE | 8702 | — | Yes |
| 630-469 | GLEN ELLYN | 9329 | — | — |
| 630-470 | NAPERVILLE | 6333 | 2006-04-27 | Yes |
| 630-471 | ROSELLE | 6534 | — | Yes |
| 630-472 | HINSDALE | 9329 | — | — |
| 630-473 | W CHICAGO | 318J | 2009-11-20 | Yes |
| 630-474 | GLEN ELLYN | 318J | — | Yes |
| 630-475 | BENSENVL | 7229 | — | Yes |
| 630-476 | LA GRANGE | 6333 | — | Yes |
| 630-477 | BENSENVL | 7196 | — | Yes |
| 630-478 | ELMHURST | 7136 | — | Yes |
| 630-479 | NORTHBROOK | 6529 | — | Yes |
| 630-480 | WHEATON | 7136 | — | Yes |
| 630-481 | HINSDALE | 7136 | — | Yes |
| 630-482 | BATAVIA | 9329 | — | Yes |
| 630-483 | BARTLETT | 9329 | — | — |
| 630-484 | HINSDALE | 6534 | — | — |
| 630-485 | ST CHARLES | 829J | 2001-04-11 | Yes |
| 630-486 | AURORA | 516C | 2010-06-18 | Yes |
| 630-487 | DOWNERSGRV | 6333 | 2007-12-18 | Yes |
| 630-488 | ST CHARLES | 6333 | 2008-02-07 | Yes |
| 630-489 | LOMBARD | 224C | — | Yes |
| 630-490 | LA GRANGE | 7136 | — | Yes |
| 630-491 | ELMHURST | 063E | 2011-03-01 | Yes |
| 630-492 | GENEVA | 7136 | — | Yes |
| 630-493 | DOWNERSGRV | 9329 | — | — |
| 630-494 | ROSELLE | 6534 | — | Yes |
| 630-495 | LOMBARD | 9329 | — | — |
| 630-496 | BENSENVL | 829J | — | Yes |
| 630-497 | ELGIN | 9329 | — | Yes |
| 630-498 | LA GRANGE | 6630 | — | — |
| 630-499 | AURORA | 9329 | — | — |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.