All assignees
799 prefixes in 513 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 513-300 | CINCINNATI | 6025 | — | — |
| 513-301 | CINCINNATI | 6529 | 2011-03-16 | Yes |
| 513-302 | CINCINNATI | 6529 | 2011-09-20 | Yes |
| 513-303 | CINCINNATI | 9348 | — | — |
| 513-304 | CINCINNATI | 6534 | — | — |
| 513-305 | CINCINNATI | 6534 | — | — |
| 513-306 | CINCINNATI | 6529 | 2011-05-27 | Yes |
| 513-307 | CINCINNATI | 6529 | — | — |
| 513-308 | CINCINNATI | 9748 | — | — |
| 513-309 | CINCINNATI | 6025 | — | — |
| 513-310 | CINCINNATI | 6025 | — | — |
| 513-311 | XXXXXXXXXX | MULT | — | — |
| 513-312 | CINCINNATI | 6025 | — | — |
| 513-313 | CINCINNATI | 6025 | — | — |
| 513-314 | CINCINNATI | 6025 | — | — |
| 513-315 | CINCINNATI | 6025 | — | — |
| 513-316 | CINCINNATI | 6025 | — | — |
| 513-317 | CINCINNATI | 6025 | — | — |
| 513-318 | MIDDLETOWN | 4863 | 2002-08-27 | Yes |
| 513-319 | CINCINNATI | 6534 | — | — |
| 513-320 | MIDDLETOWN | 6025 | — | Yes |
| 513-321 | CINCINNATI | 9348 | — | — |
| 513-322 | CINCINNATI | 036B | 2003-06-20 | Yes |
| 513-323 | SHANDON | 4863 | — | Yes |
| 513-324 | CINCINNATI | 6025 | — | — |
| 513-325 | CINCINNATI | 6025 | — | — |
| 513-326 | CINCINNATI | 9348 | — | — |
| 513-327 | WILLIAMSBG | 4863 | — | Yes |
| 513-328 | CINCINNATI | 6529 | — | — |
| 513-329 | CINCINNATI | 9748 | 2024-02-02 | — |
| 513-330 | HAMILTON | 671J | — | Yes |
| 513-331 | LEBANON | 6529 | 2002-04-09 | Yes |
| 513-332 | CINCINNATI | 829J | — | Yes |
| 513-333 | CINCINNATI | 9348 | — | — |
| 513-334 | LTL MIAMI | 4863 | 2002-03-27 | Yes |
| 513-335 | CINCINNATI | 6025 | — | — |
| 513-336 | MASON | 0661 | — | — |
| 513-337 | CINCINNATI | 7836 | — | Yes |
| 513-338 | CINCINNATI | 7460 | — | Yes |
| 513-339 | MASON | 0661 | — | — |
| 513-340 | LTL MIAMI | 793K | — | Yes |
| 513-341 | HAMILTON | 7532 | 2002-04-23 | Yes |
| 513-342 | BETHANY | 4863 | — | Yes |
| 513-343 | CINCINNATI | 6630 | — | — |
| 513-344 | CINCINNATI | 6534 | 2006-03-03 | Yes |
| 513-345 | CINCINNATI | 9348 | — | Yes |
| 513-346 | CINCINNATI | 9348 | — | Yes |
| 513-347 | CINCINNATI | 9348 | — | — |
| 513-348 | CINCINNATI | 6529 | — | Yes |
| 513-349 | CINCINNATI | 6529 | — | Yes |
| 513-350 | CINCINNATI | 6630 | — | — |
| 513-351 | CINCINNATI | 9348 | — | — |
| 513-352 | CINCINNATI | 9348 | — | — |
| 513-353 | CINCINNATI | 9348 | — | Yes |
| 513-354 | CINCINNATI | 7460 | — | Yes |
| 513-355 | MIDDLETOWN | 9748 | — | — |
| 513-356 | CINCINNATI | 6529 | 2011-05-27 | Yes |
| 513-357 | CINCINNATI | 9348 | — | — |
| 513-358 | CINCINNATI | 9348 | — | — |
| 513-359 | CINCINNATI | 6630 | 2002-09-17 | — |
| 513-360 | MONROE | 309B | 2003-10-30 | Yes |
| 513-361 | CINCINNATI | 9348 | — | — |
| 513-362 | CINCINNATI | 9348 | — | Yes |
| 513-363 | CINCINNATI | 9348 | 2002-10-22 | — |
| 513-364 | CINCINNATI | 6025 | — | — |
| 513-365 | CINCINNATI | 6025 | — | — |
| 513-366 | CINCINNATI | 9348 | — | — |
| 513-367 | HARRISON | 9348 | — | — |
| 513-368 | CINCINNATI | 6025 | — | — |
| 513-369 | CINCINNATI | 9348 | — | — |
| 513-370 | CINCINNATI | 4863 | 2011-06-02 | Yes |
| 513-371 | CINCINNATI | 464C | — | Yes |
| 513-372 | CINCINNATI | 9348 | 2007-10-30 | Yes |
| 513-373 | CINCINNATI | 4863 | — | Yes |
| 513-374 | CINCINNATI | 6534 | — | — |
| 513-375 | CINCINNATI | 6534 | — | Yes |
| 513-376 | CINCINNATI | 6534 | — | Yes |
| 513-377 | CINCINNATI | 6534 | — | Yes |
| 513-378 | CINCINNATI | 6025 | — | — |
| 513-379 | CINCINNATI | 6025 | — | — |
| 513-380 | FELICITY | 624H | 2023-04-11 | Yes |
| 513-381 | CINCINNATI | 9348 | — | — |
| 513-382 | CINCINNATI | 6025 | — | — |
| 513-383 | CINCINNATI | 6529 | — | Yes |
| 513-384 | CINCINNATI | 6534 | 2011-06-13 | Yes |
| 513-385 | CINCINNATI | 9348 | — | — |
| 513-386 | CINCINNATI | 464C | 2005-08-19 | Yes |
| 513-387 | CINCINNATI | 9348 | — | Yes |
| 513-388 | CINCINNATI | 9348 | — | Yes |
| 513-389 | CINCINNATI | 9348 | — | Yes |
| 513-390 | CINCINNATI | 6025 | — | — |
| 513-391 | CINCINNATI | 6025 | 2011-07-15 | Yes |
| 513-392 | MIDDLETOWN | 4863 | 2002-03-21 | Yes |
| 513-393 | MIDDLETOWN | 6534 | 2006-04-19 | Yes |
| 513-394 | CINCINNATI | 6529 | 2011-08-04 | Yes |
| 513-395 | CINCINNATI | 9348 | — | — |
| 513-396 | CINCINNATI | 9348 | — | — |
| 513-397 | CINCINNATI | 9348 | — | — |
| 513-398 | MASON | 0661 | — | — |
| 513-399 | CINCINNATI | 6529 | 2011-08-04 | 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.