All assignees
797 prefixes in 937 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 937-301 | DAYTON | 6534 | — | Yes |
| 937-302 | WILMINGTON | 6529 | 2001-03-26 | Yes |
| 937-303 | MARYSVILLE | 4863 | 2001-05-22 | Yes |
| 937-304 | DAYTON | 6529 | — | Yes |
| 937-305 | DAYTON | 6529 | — | Yes |
| 937-306 | BEAVERCREK | 829J | — | Yes |
| 937-307 | DAYTON | 6025 | — | — |
| 937-308 | NEWCARLISL | 6025 | — | — |
| 937-309 | MARYSVILLE | 6701 | — | Yes |
| 937-310 | BELLBROOK | 829J | — | Yes |
| 937-311 | XXXXXXXXXX | MULT | — | — |
| 937-312 | DAYTON | 9321 | — | Yes |
| 937-313 | DAYTON | 6529 | — | Yes |
| 937-314 | DONNELSVL | 829J | — | Yes |
| 937-315 | MEDWAY | 829J | — | Yes |
| 937-316 | GREENVILLE | 0661 | — | — |
| 937-317 | SPRING VLY | 829J | — | Yes |
| 937-318 | FAIRBORN | 9321 | — | Yes |
| 937-319 | YLSPGCLFTN | 829J | — | Yes |
| 937-320 | BEAVERCREK | 9321 | — | Yes |
| 937-321 | DAYTON | 6529 | — | Yes |
| 937-322 | SPRINGFLD | 9321 | — | — |
| 937-323 | SPRINGFLD | 9321 | — | — |
| 937-324 | SPRINGFLD | 9321 | — | — |
| 937-325 | SPRINGFLD | 9321 | — | — |
| 937-326 | MSBGWCRLTN | 6529 | 2024-02-20 | Yes |
| 937-327 | SPRINGFLD | 9321 | — | Yes |
| 937-328 | SPRINGFLD | 9321 | — | — |
| 937-329 | DAYTON | 6534 | — | Yes |
| 937-330 | ENON | 6630 | — | — |
| 937-331 | DAYTON | 9321 | — | Yes |
| 937-332 | TROY | 0615 | — | — |
| 937-333 | DAYTON | 9321 | — | — |
| 937-334 | DAYTON | 6630 | — | — |
| 937-335 | TROY | 0615 | — | — |
| 937-336 | EATON | 6534 | — | Yes |
| 937-337 | ANSONIA | 0661 | — | Yes |
| 937-338 | ROSSBURG | 0661 | — | — |
| 937-339 | TROY | 0615 | — | — |
| 937-340 | ENON | 829J | — | Yes |
| 937-341 | DAYTON | 9321 | — | — |
| 937-342 | SPRINGFLD | 9321 | — | Yes |
| 937-343 | FAIRBORN | 829J | — | Yes |
| 937-344 | DAYTON | 6534 | — | — |
| 937-345 | DAYTON | 001F | 2022-07-21 | Yes |
| 937-346 | SPRINGFLD | 829J | — | Yes |
| 937-347 | XENIA | 829J | — | Yes |
| 937-348 | MAGNETCSPG | 0661 | — | Yes |
| 937-349 | MILFORDCTR | 0661 | — | Yes |
| 937-350 | CENTERVLLE | 829J | — | Yes |
| 937-351 | MARYSVILLE | 6701 | 2022-11-08 | Yes |
| 937-352 | XENIA | 829J | — | Yes |
| 937-353 | MSBGWCRLTN | 829J | — | Yes |
| 937-354 | MT VICTORY | 0661 | — | Yes |
| 937-355 | WMANSFIELD | 0661 | — | Yes |
| 937-356 | DAYTON | 9321 | — | Yes |
| 937-357 | BEAVERCREK | 9748 | — | — |
| 937-358 | YORKCENTER | 0661 | — | Yes |
| 937-359 | DAYTON | 6630 | — | — |
| 937-360 | SPRINGFLD | 6529 | — | Yes |
| 937-361 | DAYTON | 6529 | — | Yes |
| 937-362 | ROSEWOOD | 0661 | — | Yes |
| 937-363 | RIDGEWAY | 0661 | — | — |
| 937-364 | LYNCHBURG | 0615 | — | Yes |
| 937-365 | RAINSBORO | 9321 | — | Yes |
| 937-366 | WILMINGTON | 0615 | 2001-05-11 | Yes |
| 937-367 | DAYTON | 6529 | — | Yes |
| 937-368 | FLTCHELENA | 9321 | — | Yes |
| 937-369 | DAYTON | 6529 | — | Yes |
| 937-370 | ENON | 6630 | — | — |
| 937-371 | DAYTON | 6025 | — | — |
| 937-372 | XENIA | 9321 | — | — |
| 937-373 | DECATUR | 0615 | — | Yes |
| 937-374 | XENIA | 9321 | — | Yes |
| 937-375 | HIGGINSPT | 0615 | — | Yes |
| 937-376 | XENIA | 9321 | — | — |
| 937-377 | RUSSELLVL | 0615 | — | Yes |
| 937-378 | GEORGETOWN | 0615 | — | Yes |
| 937-379 | HAMERSVL | 0615 | — | Yes |
| 937-380 | DAYTON | 6529 | 2001-02-28 | Yes |
| 937-381 | PIQUA | 829J | — | Yes |
| 937-382 | WILMINGTON | 0615 | — | — |
| 937-383 | WILMINGTON | 0615 | — | — |
| 937-384 | MSBGWCRLTN | 9321 | — | Yes |
| 937-385 | DECATUR | 624H | 2023-04-11 | Yes |
| 937-386 | SEAMAN | 0615 | — | Yes |
| 937-387 | VANDALIA | 829J | — | Yes |
| 937-388 | MSBGWCRLTN | 829J | — | Yes |
| 937-389 | DAYTON | 6529 | — | Yes |
| 937-390 | SPRINGFLD | 9321 | — | — |
| 937-391 | ENON | 6630 | — | — |
| 937-392 | RIPLEY | 9321 | — | Yes |
| 937-393 | HILLSBORO | 9321 | — | — |
| 937-394 | ANNA | 0661 | — | — |
| 937-395 | DAYTON | 9321 | — | Yes |
| 937-396 | DAYTON | 9321 | — | Yes |
| 937-397 | DAYTON | 6534 | 2001-12-17 | Yes |
| 937-398 | SPRINGFLD | 829J | — | Yes |
| 937-399 | SPRINGFLD | 9321 | — | — |
| 937-400 | JACKSONCTR | 464C | 2017-06-14 | 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.