All assignees
797 prefixes in 937 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 937-401 | DAYTON | 7836 | 2004-07-21 | Yes |
| 937-402 | HILLSBORO | 5562 | 2001-02-06 | Yes |
| 937-403 | HILLSBORO | 6534 | 2001-05-11 | Yes |
| 937-404 | BELLEFNTAN | 0661 | 2001-05-22 | Yes |
| 937-405 | NEWCARLISL | 4863 | 2001-08-08 | Yes |
| 937-406 | DAYTON | 9748 | — | — |
| 937-407 | BELLEFNTAN | 6025 | — | — |
| 937-408 | SPRINGFLD | 6025 | — | — |
| 937-409 | DAYTON | 6534 | — | — |
| 937-410 | VANDALIA | 6025 | — | Yes |
| 937-411 | XXXXXXXXXX | MULT | — | — |
| 937-412 | FAIRBORN | 4863 | 2002-02-21 | Yes |
| 937-413 | DAYTON | 9748 | — | — |
| 937-414 | DAYTON | 6529 | 2001-10-04 | Yes |
| 937-415 | VANDALIA | 9321 | — | — |
| 937-416 | DAYTON | 6025 | — | — |
| 937-417 | GREENVILLE | 6025 | — | — |
| 937-418 | PIQUA | 6025 | — | — |
| 937-419 | SIDNEY | 4863 | 2001-12-12 | Yes |
| 937-420 | FT LORAMIE | 9133 | 2003-05-06 | — |
| 937-421 | JACKSONCTR | 0661 | 2001-05-17 | Yes |
| 937-422 | DAYTON | 6529 | — | Yes |
| 937-423 | GREENVILLE | 6534 | — | Yes |
| 937-424 | DAYTON | 829J | — | Yes |
| 937-425 | DAYTON | 7460 | — | — |
| 937-426 | BEAVERCREK | 9321 | — | — |
| 937-427 | BEAVERCREK | 9321 | — | — |
| 937-428 | DAYTON | 9321 | — | — |
| 937-429 | BEAVERCREK | 9321 | — | — |
| 937-430 | DAYTON | 6534 | — | — |
| 937-431 | BEAVERCREK | 9321 | — | — |
| 937-432 | DAYTON | 9321 | — | Yes |
| 937-433 | DAYTON | 9321 | — | — |
| 937-434 | DAYTON | 9321 | — | — |
| 937-435 | DAYTON | 9321 | — | — |
| 937-436 | DAYTON | 9321 | — | — |
| 937-437 | NEW PARIS | 0661 | — | Yes |
| 937-438 | DAYTON | 9321 | — | — |
| 937-439 | DAYTON | 9321 | — | — |
| 937-440 | TROY | 0615 | — | — |
| 937-441 | BELLEFNTAN | 6025 | — | — |
| 937-442 | MOWRYSTOWN | 0615 | — | Yes |
| 937-443 | DAYTON | 9321 | — | Yes |
| 937-444 | MOUNT ORAB | 0615 | — | Yes |
| 937-445 | DAYTON | 9321 | — | — |
| 937-446 | SARDINIA | 0615 | — | Yes |
| 937-447 | GETTYSBURG | 0661 | — | Yes |
| 937-448 | BRADFORD | 0661 | — | Yes |
| 937-449 | DAYTON | 9321 | — | Yes |
| 937-450 | SPRINGFLD | 6534 | 2001-06-26 | Yes |
| 937-451 | PIQUA | 6534 | 2001-06-26 | Yes |
| 937-452 | CAMDEN | 0661 | — | Yes |
| 937-453 | BOWERSVLLE | 9321 | — | Yes |
| 937-454 | VANDALIA | 9321 | — | — |
| 937-455 | DAYTON | 9321 | — | — |
| 937-456 | EATON | 0661 | — | — |
| 937-457 | DAYTON | 9321 | — | — |
| 937-458 | BEAVERCREK | 829J | — | Yes |
| 937-459 | GREENVILLE | 6529 | — | Yes |
| 937-460 | SPRINGFLD | 516C | 2002-02-12 | Yes |
| 937-461 | DAYTON | 9321 | — | Yes |
| 937-462 | SOCHARLETN | 9321 | — | Yes |
| 937-463 | DAYTON | 9321 | — | Yes |
| 937-464 | BELLE CTR | 0661 | — | — |
| 937-465 | W LIBERTY | 0661 | — | — |
| 937-466 | MARSHALL | 9321 | — | Yes |
| 937-467 | GREENVILLE | 6529 | — | Yes |
| 937-468 | RUSHSYLVAN | 0661 | — | Yes |
| 937-469 | DAYTON | 6529 | — | Yes |
| 937-470 | DAYTON | 6025 | — | — |
| 937-471 | SPRINGFLD | 6025 | — | Yes |
| 937-472 | EATON | 0661 | — | Yes |
| 937-473 | COVINGTON | 0665 | — | — |
| 937-474 | DAYTON | 6025 | — | — |
| 937-475 | DAYTON | 6025 | — | — |
| 937-476 | DAYTON | 9321 | — | Yes |
| 937-477 | DAYTON | 6025 | — | — |
| 937-478 | DAYTON | 6025 | — | — |
| 937-479 | DAYTON | 6025 | — | — |
| 937-480 | DAYTON | 6630 | — | — |
| 937-481 | WILMINGTON | 7460 | 2003-12-11 | Yes |
| 937-482 | FAIRBORN | 829J | — | Yes |
| 937-483 | GEORGETOWN | 6529 | — | Yes |
| 937-484 | URBANA | 0594 | — | — |
| 937-485 | DAYTON | 9321 | — | — |
| 937-486 | PT WILLIAM | 0615 | — | Yes |
| 937-487 | DAYTON | 7460 | 2008-07-17 | Yes |
| 937-488 | NEWBRLNGTN | 0615 | — | Yes |
| 937-489 | SIDNEY | 6701 | — | Yes |
| 937-490 | BEAVERCREK | 7460 | — | Yes |
| 937-491 | ENON | 6630 | — | — |
| 937-492 | SIDNEY | 0661 | — | — |
| 937-493 | SIDNEY | 0661 | — | — |
| 937-494 | SIDNEY | 0661 | — | — |
| 937-495 | DAYTON | 9321 | — | — |
| 937-496 | DAYTON | 9321 | — | Yes |
| 937-497 | SIDNEY | 0661 | — | — |
| 937-498 | SIDNEY | 0661 | — | — |
| 937-499 | DAYTON | 9321 | — | Yes |
| 937-500 | HILLSBORO | 7532 | 2017-07-28 | 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.