All assignees
800 prefixes in 210 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 210-300 | SANANTONIO | 6534 | 2006-09-12 | Yes |
| 210-301 | SANANTONIO | 7229 | — | — |
| 210-302 | SANANTONIO | 9533 | — | Yes |
| 210-303 | SANANTONIO | 6534 | 2007-03-15 | Yes |
| 210-304 | SANANTONIO | 9533 | — | Yes |
| 210-305 | SANANTONIO | 6114 | 2011-09-13 | Yes |
| 210-306 | SANANTONIO | 7229 | 2011-08-16 | Yes |
| 210-307 | SANANTONIO | 6534 | 2011-09-23 | Yes |
| 210-308 | SANANTONIO | 9533 | — | — |
| 210-309 | SANANTONIO | 6534 | 2009-04-17 | Yes |
| 210-310 | SANANTONIO | 9533 | — | Yes |
| 210-311 | XXXXXXXXXX | MULT | — | — |
| 210-312 | SANANTONIO | 8434 | 2007-01-24 | Yes |
| 210-313 | SANANTONIO | 5562 | — | Yes |
| 210-314 | SANANTONIO | 6506 | 2007-01-24 | Yes |
| 210-315 | SANANTONIO | 6534 | — | — |
| 210-316 | SANANTONIO | 6529 | — | Yes |
| 210-317 | SANANTONIO | 6529 | — | Yes |
| 210-318 | SANANTONIO | 5562 | — | Yes |
| 210-319 | SANANTONIO | 6506 | 2007-03-01 | Yes |
| 210-320 | SANANTONIO | 7670 | — | — |
| 210-321 | SANANTONIO | 9533 | — | Yes |
| 210-322 | SANANTONIO | 6534 | 2009-04-17 | Yes |
| 210-323 | SANANTONIO | 9533 | — | Yes |
| 210-324 | SANANTONIO | 6534 | 2005-03-18 | Yes |
| 210-325 | SANANTONIO | 6529 | — | Yes |
| 210-326 | SANANTONIO | 6529 | — | Yes |
| 210-327 | SANANTONIO | 7229 | 2007-02-06 | Yes |
| 210-328 | SANANTONIO | 6506 | 2009-08-21 | Yes |
| 210-329 | SANANTONIO | 624H | — | Yes |
| 210-330 | SANANTONIO | 6534 | 2006-10-16 | Yes |
| 210-331 | SANANTONIO | 7421 | — | Yes |
| 210-332 | SANANTONIO | 7421 | — | Yes |
| 210-333 | SANANTONIO | 9533 | — | — |
| 210-334 | SANANTONIO | 9533 | — | Yes |
| 210-335 | SANANTONIO | 9533 | — | — |
| 210-336 | SANANTONIO | 6529 | 2001-04-18 | Yes |
| 210-337 | SANANTONIO | 9533 | — | Yes |
| 210-338 | SANANTONIO | 004F | 2008-10-21 | Yes |
| 210-339 | SANANTONIO | 7229 | — | Yes |
| 210-340 | SANANTONIO | 9533 | — | — |
| 210-341 | SANANTONIO | 9533 | — | — |
| 210-342 | SANANTONIO | 9533 | — | — |
| 210-343 | SANANTONIO | 9533 | — | Yes |
| 210-344 | SANANTONIO | 9533 | — | — |
| 210-345 | SANANTONIO | 9533 | — | — |
| 210-346 | SANANTONIO | 516C | — | Yes |
| 210-347 | SANANTONIO | 6506 | — | — |
| 210-348 | SANANTONIO | 9533 | — | Yes |
| 210-349 | SANANTONIO | 9533 | — | — |
| 210-350 | SANANTONIO | 7229 | 2015-06-01 | Yes |
| 210-351 | SANANTONIO | 9533 | — | — |
| 210-352 | SANANTONIO | 9533 | — | Yes |
| 210-353 | SANANTONIO | 9533 | — | — |
| 210-354 | SANANTONIO | 9533 | — | Yes |
| 210-355 | SANANTONIO | 6534 | — | — |
| 210-356 | SANANTONIO | 9533 | 2008-04-29 | Yes |
| 210-357 | SANANTONIO | 9533 | — | — |
| 210-358 | SANANTONIO | 9533 | — | — |
| 210-359 | SANANTONIO | 9533 | — | — |
| 210-360 | SANANTONIO | 9533 | — | Yes |
| 210-361 | SANANTONIO | 903C | 2015-12-07 | Yes |
| 210-362 | SANANTONIO | 9533 | — | Yes |
| 210-363 | SANANTONIO | 6529 | — | Yes |
| 210-364 | SANANTONIO | 6529 | — | Yes |
| 210-365 | SANANTONIO | 6529 | — | Yes |
| 210-366 | SANANTONIO | 9533 | — | — |
| 210-367 | SANANTONIO | 6529 | — | — |
| 210-368 | SANANTONIO | 9533 | — | Yes |
| 210-369 | SANANTONIO | 9533 | — | Yes |
| 210-370 | SANANTONIO | 9533 | — | Yes |
| 210-371 | SANANTONIO | 6534 | 2009-01-29 | Yes |
| 210-372 | SANANTONIO | 9533 | 2001-09-18 | Yes |
| 210-373 | SANANTONIO | 6529 | — | Yes |
| 210-374 | SANANTONIO | 6534 | 2008-11-21 | Yes |
| 210-375 | SANANTONIO | 9533 | — | Yes |
| 210-376 | SANANTONIO | 6506 | 2008-03-26 | Yes |
| 210-377 | SANANTONIO | 9533 | — | — |
| 210-378 | SANANTONIO | 6529 | — | Yes |
| 210-379 | SANANTONIO | 6529 | — | Yes |
| 210-380 | SANANTONIO | 6506 | — | — |
| 210-381 | SANANTONIO | 6506 | — | — |
| 210-382 | SANANTONIO | 6506 | — | — |
| 210-383 | SANANTONIO | 6506 | — | — |
| 210-384 | SANANTONIO | 9533 | — | Yes |
| 210-385 | SANANTONIO | 6529 | — | Yes |
| 210-386 | SANANTONIO | 6529 | — | Yes |
| 210-387 | SANANTONIO | 6529 | — | Yes |
| 210-388 | SANANTONIO | 8958 | 2005-04-08 | Yes |
| 210-389 | SANANTONIO | 6529 | — | Yes |
| 210-390 | SANANTONIO | 6114 | 2009-06-16 | Yes |
| 210-391 | SANANTONIO | 6529 | — | Yes |
| 210-392 | SANANTONIO | 6529 | — | Yes |
| 210-393 | SANANTONIO | 6529 | — | Yes |
| 210-394 | SANANTONIO | 6534 | — | — |
| 210-395 | SANANTONIO | 8434 | — | Yes |
| 210-396 | SANANTONIO | 9533 | — | Yes |
| 210-397 | SANANTONIO | 9533 | — | — |
| 210-398 | SANANTONIO | 6534 | 2009-01-28 | Yes |
| 210-399 | SANANTONIO | 6114 | 2009-06-24 | 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.