All assignees
797 prefixes in 937 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 937-501 | CLARKSVL | 4863 | 2002-06-05 | Yes |
| 937-502 | XENIA | 4863 | 2002-02-21 | Yes |
| 937-503 | DAYTON | 6529 | 2011-10-07 | Yes |
| 937-504 | SPRINGFLD | 516C | 2011-10-27 | Yes |
| 937-505 | SPRINGFLD | 9321 | 2001-11-26 | Yes |
| 937-506 | TIPP CITY | 793K | — | Yes |
| 937-507 | SIDNEY | 8168 | 2004-04-27 | Yes |
| 937-508 | URBANA | 6529 | 2001-08-29 | Yes |
| 937-509 | HILLSBORO | 6025 | 2002-02-25 | — |
| 937-510 | DAYTON | 6534 | 2002-03-18 | Yes |
| 937-511 | XXXXXXXXXX | MULT | — | — |
| 937-512 | DAYTON | 9321 | — | — |
| 937-513 | — | — | ||
| 937-514 | FRANKLIN | 7836 | — | Yes |
| 937-515 | GEORGETOWN | 6025 | 2001-12-12 | — |
| 937-516 | DAYTON | 6529 | 2011-11-16 | Yes |
| 937-517 | SINKINGSPG | 793K | 2023-04-19 | Yes |
| 937-518 | DAYTON | 321J | 2020-08-04 | Yes |
| 937-519 | DAYTON | 197D | 2018-03-26 | Yes |
| 937-520 | DAYTON | 6534 | 2001-05-21 | — |
| 937-521 | SPRINGFLD | 309B | 2005-02-04 | Yes |
| 937-522 | DAYTON | 793K | — | Yes |
| 937-523 | SPRINGFLD | 4863 | — | Yes |
| 937-524 | TROY | 6529 | — | Yes |
| 937-525 | SPRINGFLD | 9321 | — | — |
| 937-526 | VERSAILLES | 0661 | — | Yes |
| 937-527 | WILMINGTON | 6529 | — | Yes |
| 937-528 | DAYTON | 9321 | — | Yes |
| 937-529 | TROTWOOD | 5562 | 2005-01-06 | Yes |
| 937-530 | MSBGWCRLTN | 001F | — | Yes |
| 937-531 | DAYTON | 7460 | 2001-12-26 | Yes |
| 937-532 | XENIA | 6529 | — | Yes |
| 937-533 | EATON | 6529 | — | Yes |
| 937-534 | DAYTON | 9321 | — | — |
| 937-535 | DAYTON | 309B | — | — |
| 937-536 | SPRINGFLD | 6529 | — | Yes |
| 937-537 | MARYSVILLE | 6701 | — | Yes |
| 937-538 | SIDNEY | 5562 | — | Yes |
| 937-539 | BELLEFNTAN | 6701 | — | Yes |
| 937-540 | ENGLEWOOD | 309B | — | Yes |
| 937-541 | PIQUA | 6529 | — | Yes |
| 937-542 | DAYTON | 9321 | — | Yes |
| 937-543 | NEWCARLISL | 6529 | — | Yes |
| 937-544 | WEST UNION | 0615 | — | — |
| 937-545 | DAYTON | 6025 | — | — |
| 937-546 | DAYTON | 6534 | — | — |
| 937-547 | GREENVILLE | 0661 | — | — |
| 937-548 | GREENVILLE | 0661 | — | — |
| 937-549 | MANCHESTER | 0615 | — | Yes |
| 937-550 | FRANKLIN | 7460 | 2002-05-15 | Yes |
| 937-551 | PHILLIPSBG | 4863 | 2002-06-25 | Yes |
| 937-552 | TROY | 793K | — | Yes |
| 937-553 | MARYSVILLE | 4863 | 2002-06-12 | Yes |
| 937-554 | DAYTON | 6529 | — | — |
| 937-555 | DIR ASST | MULT | — | — |
| 937-556 | WILMINGTON | 4863 | 2002-08-16 | Yes |
| 937-557 | FRANKLIN | 4863 | 2002-02-28 | Yes |
| 937-558 | DAYTON | 829J | 2001-01-31 | Yes |
| 937-559 | DAYTON | 6534 | 2001-09-14 | — |
| 937-560 | MSBGWCRLTN | 7460 | — | Yes |
| 937-561 | SPRINGFLD | 6534 | 2007-03-07 | Yes |
| 937-562 | XENIA | 9321 | — | Yes |
| 937-563 | PITCHIN | 508J | 2014-05-15 | Yes |
| 937-564 | GREENVILLE | 6025 | 2002-05-06 | — |
| 937-565 | BELLEFNTAN | 4863 | 2002-05-08 | Yes |
| 937-566 | WILMINGTON | 284F | 2002-06-25 | Yes |
| 937-567 | DAYTON | 516C | — | Yes |
| 937-568 | SO VIENNA | 9321 | — | Yes |
| 937-569 | GREENVILLE | 4863 | 2001-12-12 | Yes |
| 937-570 | PIQUA | 6025 | 2002-05-28 | — |
| 937-571 | WILMINGTON | 4863 | 2002-06-05 | Yes |
| 937-572 | DAYTON | 6025 | — | — |
| 937-573 | TROY | 4863 | 2002-06-25 | Yes |
| 937-574 | CLARKSVL | 4863 | 2002-06-25 | Yes |
| 937-575 | SIDNEY | 9133 | — | — |
| 937-576 | VANDALIA | 7460 | 2002-07-29 | Yes |
| 937-577 | CLARKSVL | 4863 | 2002-08-16 | Yes |
| 937-578 | MARYSVILLE | 0661 | — | Yes |
| 937-579 | LYNCHBURG | 4863 | 2002-08-16 | Yes |
| 937-580 | DAYTON | 9321 | 2001-01-24 | Yes |
| 937-581 | DAYTON | 6534 | — | — |
| 937-582 | DE GRAFF | 4863 | 2002-08-22 | Yes |
| 937-583 | LEWISBURG | 4863 | 2002-06-25 | Yes |
| 937-584 | SABINA | 0615 | — | Yes |
| 937-585 | DE GRAFF | 0661 | — | — |
| 937-586 | DAYTON | 9321 | — | Yes |
| 937-587 | PEEBLES | 0615 | — | Yes |
| 937-588 | SINKINGSPG | 0615 | — | Yes |
| 937-589 | HUNTSVILLE | 4863 | 2002-08-22 | Yes |
| 937-590 | UNION CITY | 4863 | 2002-08-22 | Yes |
| 937-591 | SPRINGFLD | 6534 | 2002-08-12 | Yes |
| 937-592 | BELLEFNTAN | 0661 | — | — |
| 937-593 | BELLEFNTAN | 0661 | — | — |
| 937-594 | MARYSVILLE | 6534 | — | Yes |
| 937-595 | BELLEFNTAN | 4863 | 2002-08-22 | Yes |
| 937-596 | JACKSONCTR | 0661 | — | — |
| 937-597 | BELLEFNTAN | 6534 | — | — |
| 937-598 | E LIBERTY | 4863 | 2002-08-22 | Yes |
| 937-599 | BELLEFNTAN | 0661 | — | — |
| 937-600 | XENIA | 464C | 2017-10-31 | 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.