All assignees
771 prefixes in 440 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 440-509 | BEREA | 6025 | 2012-12-13 | Yes |
| 440-510 | WILLOUGHBY | 7443 | — | Yes |
| 440-511 | XXXXXXXXXX | MULT | — | — |
| 440-512 | BEREA | 7443 | — | Yes |
| 440-514 | CHAGRINFLS | 6534 | 2017-07-06 | Yes |
| 440-515 | HILLCREST | 6025 | 2012-12-13 | Yes |
| 440-516 | WICKLIFFE | 9321 | — | Yes |
| 440-517 | AVON | 793K | 2017-08-02 | Yes |
| 440-518 | AVON LAKE | 6529 | 2023-08-30 | Yes |
| 440-519 | CHAGRINFLS | 9321 | — | — |
| 440-520 | WILLOUGHBY | 6534 | — | Yes |
| 440-521 | WILLOUGHBY | 6025 | 2002-10-12 | — |
| 440-522 | LORAIN | 6534 | — | Yes |
| 440-523 | CLEVELAND | 6025 | — | Yes |
| 440-525 | WILLOUGHBY | 7443 | — | Yes |
| 440-526 | BRECKSVL | 9321 | — | — |
| 440-527 | WILLOUGHBY | 4863 | — | Yes |
| 440-528 | CHAGRINFLS | 460K | — | Yes |
| 440-529 | ELYRIA | 6534 | 2017-02-06 | Yes |
| 440-530 | WILLOUGHBY | 7532 | — | Yes |
| 440-531 | BEREA | 7532 | 2022-12-08 | Yes |
| 440-532 | BEREA | 6529 | 2002-07-11 | Yes |
| 440-533 | GATESMILLS | 6529 | 2002-07-11 | Yes |
| 440-534 | MENTOR | 4863 | — | Yes |
| 440-535 | NORTHEATON | 735E | — | Yes |
| 440-536 | ASHTABULA | 5562 | — | Yes |
| 440-537 | WILLOUGHBY | 6025 | — | — |
| 440-538 | LORAIN | 5562 | 2016-09-30 | Yes |
| 440-539 | CLEVELAND | 6025 | — | — |
| 440-540 | BEDFORD | 4863 | — | Yes |
| 440-541 | LORAIN | 4863 | 2002-12-31 | Yes |
| 440-542 | CHAGRINFLS | 9321 | — | — |
| 440-543 | BAINBRIDGE | 0666 | — | — |
| 440-544 | HILLCREST | 7532 | — | Yes |
| 440-545 | VICTORY | 4863 | — | Yes |
| 440-546 | BRECKSVL | 9321 | — | — |
| 440-547 | WILLOUGHBY | 6025 | — | — |
| 440-548 | PARKMAN | 0666 | — | Yes |
| 440-549 | WICKLIFFE | 4863 | — | Yes |
| 440-550 | BRECKSVL | 4863 | — | Yes |
| 440-551 | PAINESVL | 7443 | 2001-09-17 | Yes |
| 440-552 | CLEVELAND | 6025 | — | — |
| 440-553 | ASHTABULA | 6025 | 2019-02-13 | Yes |
| 440-554 | CLEVELAND | 6025 | 2001-09-21 | — |
| 440-555 | DIR ASST | MULT | — | — |
| 440-556 | VICTORY | 6025 | — | Yes |
| 440-557 | RUSSELL | 793K | 2002-02-25 | Yes |
| 440-558 | VICTORY | 6534 | 2017-02-21 | Yes |
| 440-559 | CHAGRINFLS | 6025 | 2013-01-28 | Yes |
| 440-560 | ROCK CREEK | 032H | 2013-06-18 | Yes |
| 440-561 | CHAGRINFLS | 6534 | 2014-03-04 | Yes |
| 440-562 | WILLOUGHBY | 6630 | — | — |
| 440-563 | ROCK CREEK | 0666 | — | Yes |
| 440-564 | NEWBURY | 0666 | — | — |
| 440-565 | HILLCREST | 4863 | — | Yes |
| 440-566 | HILLCREST | 793K | 2017-08-22 | Yes |
| 440-567 | WILLOUGHBY | 6025 | — | — |
| 440-568 | CLEVELAND | 197D | 2017-08-30 | Yes |
| 440-569 | WICKLIFFE | 4863 | — | Yes |
| 440-570 | VICTORY | 6534 | — | — |
| 440-571 | WILLOUGHBY | 9321 | — | Yes |
| 440-572 | STRONGSVL | 9321 | — | — |
| 440-573 | HILLCREST | 7443 | — | Yes |
| 440-574 | OBERLIN | 6529 | — | Yes |
| 440-575 | TRINITY | 7443 | — | Yes |
| 440-576 | JEFFERSON | 0661 | — | — |
| 440-577 | PIERPONT | 0666 | — | Yes |
| 440-578 | MENTOR | 7443 | — | Yes |
| 440-579 | PAINESVL | 7443 | — | Yes |
| 440-580 | STRONGSVL | 4863 | — | Yes |
| 440-581 | ELYRIA | 7532 | 2018-12-05 | Yes |
| 440-582 | NOROYALTON | 9321 | — | — |
| 440-583 | BEDFORD | 7520 | 2017-03-10 | Yes |
| 440-584 | BRECKSVL | 7443 | — | Yes |
| 440-585 | WICKLIFFE | 9321 | — | — |
| 440-586 | BEREA | 318J | 2017-11-08 | Yes |
| 440-587 | BRECKSVL | 318J | 2017-11-17 | Yes |
| 440-588 | TRINITY | 318J | 2017-11-17 | Yes |
| 440-589 | CHAGRINFLS | 6534 | 2018-03-21 | Yes |
| 440-590 | VICTORY | 6534 | 2002-04-19 | Yes |
| 440-591 | BAINBRIDGE | 6025 | 2006-12-01 | Yes |
| 440-592 | BRECKSVL | 7532 | 2017-04-18 | Yes |
| 440-593 | CONNEAUT | 0606 | — | — |
| 440-594 | CONNEAUT | 0606 | — | — |
| 440-595 | VERMILION | 001F | 2018-03-22 | Yes |
| 440-596 | CLEVELAND | 036B | 2007-07-06 | Yes |
| 440-597 | AMHERST | 6025 | 2018-04-09 | Yes |
| 440-598 | BIRMINGHAM | 464C | 2019-06-12 | Yes |
| 440-599 | CONNEAUT | 0606 | — | — |
| 440-600 | CHAGRINFLS | 829J | 2011-01-11 | Yes |
| 440-601 | CHAGRINFLS | 6534 | 2023-10-05 | Yes |
| 440-602 | WILLOUGHBY | 9321 | — | Yes |
| 440-603 | HILLCREST | 9321 | — | — |
| 440-604 | HILLCREST | 9321 | — | Yes |
| 440-605 | HILLCREST | 9321 | — | — |
| 440-606 | KIRTLAND | 7532 | — | Yes |
| 440-607 | LEROY | 7532 | — | Yes |
| 440-608 | HILLCREST | 6025 | 2013-01-23 | Yes |
| 440-609 | VICTORY | 6025 | 2013-01-23 | Yes |
| 440-610 | ELYRIA | 6534 | — | Yes |
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.