All assignees
800 prefixes in 210 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 210-500 | SANANTONIO | 6506 | 2022-04-14 | Yes |
| 210-501 | SANANTONIO | 6534 | 2010-06-04 | Yes |
| 210-502 | SANANTONIO | 6534 | — | Yes |
| 210-503 | SANANTONIO | 516C | 2014-04-09 | Yes |
| 210-504 | SANANTONIO | 6114 | — | Yes |
| 210-505 | SANANTONIO | 6534 | 2010-06-15 | Yes |
| 210-506 | SANANTONIO | 9533 | — | — |
| 210-507 | SANANTONIO | 7138 | — | Yes |
| 210-508 | SANANTONIO | 6534 | — | — |
| 210-509 | SANANTONIO | 9533 | — | — |
| 210-510 | SANANTONIO | 004F | 2012-02-14 | Yes |
| 210-511 | XXXXXXXXXX | MULT | — | — |
| 210-512 | SANANTONIO | 903C | 2023-05-22 | Yes |
| 210-513 | SANANTONIO | 6630 | — | — |
| 210-514 | SANANTONIO | 903C | — | Yes |
| 210-515 | SANANTONIO | 7229 | — | Yes |
| 210-516 | SANANTONIO | 7229 | — | Yes |
| 210-517 | SANANTONIO | 6506 | 2012-04-04 | Yes |
| 210-518 | SANANTONIO | 9533 | — | Yes |
| 210-519 | SANANTONIO | 903C | 2008-01-14 | Yes |
| 210-520 | SANANTONIO | 9533 | — | — |
| 210-521 | SANANTONIO | 9533 | — | — |
| 210-522 | SANANTONIO | 9533 | — | — |
| 210-523 | SANANTONIO | 9533 | — | Yes |
| 210-524 | SANANTONIO | 9533 | — | — |
| 210-525 | SANANTONIO | 9533 | — | — |
| 210-526 | SANANTONIO | 7229 | 2010-06-16 | Yes |
| 210-527 | SANANTONIO | 9533 | — | Yes |
| 210-528 | SANANTONIO | 9533 | — | Yes |
| 210-529 | SANANTONIO | 319D | 2013-08-14 | Yes |
| 210-530 | SANANTONIO | 9533 | — | Yes |
| 210-531 | SANANTONIO | 9533 | — | Yes |
| 210-532 | SANANTONIO | 9533 | — | — |
| 210-533 | SANANTONIO | 9533 | — | — |
| 210-534 | SANANTONIO | 9533 | — | — |
| 210-535 | SANANTONIO | 6529 | — | — |
| 210-536 | SANANTONIO | 7138 | — | — |
| 210-537 | SANANTONIO | 903C | 2013-12-26 | Yes |
| 210-538 | SANANTONIO | 829J | — | Yes |
| 210-539 | SANANTONIO | 8434 | 2010-08-24 | Yes |
| 210-540 | SANANTONIO | 6506 | 2012-05-29 | Yes |
| 210-541 | SANANTONIO | 9533 | — | Yes |
| 210-542 | SANANTONIO | 6534 | 2006-03-02 | Yes |
| 210-543 | SANANTONIO | 9533 | — | Yes |
| 210-544 | SANANTONIO | 6529 | 2007-09-18 | Yes |
| 210-545 | SANANTONIO | 9533 | — | — |
| 210-546 | SANANTONIO | 8434 | — | — |
| 210-547 | SANANTONIO | 7670 | — | Yes |
| 210-548 | SANANTONIO | 6529 | 2007-04-16 | Yes |
| 210-549 | SANANTONIO | 793K | 2010-09-20 | Yes |
| 210-550 | SANANTONIO | 6534 | 2006-09-19 | Yes |
| 210-551 | SANANTONIO | 6534 | 2011-03-25 | Yes |
| 210-552 | SANANTONIO | 6534 | 2015-08-26 | Yes |
| 210-553 | SANANTONIO | 6630 | — | — |
| 210-554 | SANANTONIO | 9533 | — | — |
| 210-555 | DIR ASST | MULT | — | — |
| 210-556 | SANANTONIO | 7229 | 2010-12-21 | Yes |
| 210-557 | SANANTONIO | 6534 | 2005-03-18 | Yes |
| 210-558 | SANANTONIO | 9533 | — | — |
| 210-559 | SANANTONIO | 6529 | — | Yes |
| 210-560 | SANANTONIO | 6534 | 2010-10-27 | Yes |
| 210-561 | SANANTONIO | 9533 | — | — |
| 210-562 | SANANTONIO | 9533 | — | Yes |
| 210-563 | SANANTONIO | 6506 | 2005-10-26 | Yes |
| 210-564 | SANANTONIO | 9533 | — | Yes |
| 210-565 | SANANTONIO | 9533 | — | — |
| 210-566 | SANANTONIO | 9533 | — | — |
| 210-567 | SANANTONIO | 9533 | — | — |
| 210-568 | SANANTONIO | 7229 | — | Yes |
| 210-569 | SANANTONIO | 6506 | 2006-01-06 | Yes |
| 210-570 | SANANTONIO | 004F | 2012-07-24 | Yes |
| 210-571 | SANANTONIO | 004F | 2012-10-18 | Yes |
| 210-572 | SANANTONIO | 8434 | — | — |
| 210-573 | SANANTONIO | 6529 | — | Yes |
| 210-574 | SANANTONIO | 5562 | 2014-06-30 | Yes |
| 210-575 | SANANTONIO | 9533 | — | — |
| 210-576 | SANANTONIO | 671J | — | Yes |
| 210-577 | SANANTONIO | 6529 | 2005-04-21 | Yes |
| 210-578 | SANANTONIO | 6534 | 2024-10-16 | Yes |
| 210-579 | SANANTONIO | 7229 | — | Yes |
| 210-580 | SANANTONIO | 829J | 2017-05-01 | Yes |
| 210-581 | SANANTONIO | 8434 | — | — |
| 210-582 | SANANTONIO | 8434 | — | — |
| 210-583 | SANANTONIO | 6114 | 2016-12-28 | Yes |
| 210-584 | SANANTONIO | 6534 | 2006-02-24 | Yes |
| 210-585 | SANANTONIO | 9533 | 2013-03-11 | Yes |
| 210-586 | SANANTONIO | 9533 | — | — |
| 210-587 | SANANTONIO | 7229 | — | Yes |
| 210-588 | SANANTONIO | 9533 | — | Yes |
| 210-589 | SANANTONIO | 6529 | 2008-01-14 | Yes |
| 210-590 | SANANTONIO | 9533 | — | — |
| 210-591 | SANANTONIO | 7138 | 2007-08-23 | Yes |
| 210-592 | SANANTONIO | 9533 | — | Yes |
| 210-593 | SANANTONIO | 9533 | — | Yes |
| 210-594 | SANANTONIO | 903C | 2024-03-01 | Yes |
| 210-595 | SANANTONIO | 9533 | — | Yes |
| 210-596 | SANANTONIO | 9533 | 2015-01-28 | Yes |
| 210-597 | SANANTONIO | 7138 | 2017-02-02 | Yes |
| 210-598 | SANANTONIO | 793K | 2011-03-07 | Yes |
| 210-599 | SANANTONIO | 9533 | — | — |
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.