All assignees
800 prefixes in 787 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 787-500 | RIO GRANDE | 8645 | 2007-07-25 | Yes |
| 787-501 | RIOPIEDRAS | 639J | — | — |
| 787-502 | RIOPIEDRAS | 639J | — | — |
| 787-503 | GUAYNABO | 639J | — | Yes |
| 787-504 | RIOPIEDRAS | 639J | — | — |
| 787-505 | RIOPIEDRAS | 639J | — | — |
| 787-506 | GUAYNABO | 639J | — | Yes |
| 787-507 | GUAYNABO | 639J | — | Yes |
| 787-508 | GUAYNABO | 639J | — | Yes |
| 787-509 | RIOPIEDRAS | 639J | — | — |
| 787-510 | RIOPIEDRAS | 639J | — | — |
| 787-511 | XXXXXXXXXX | MULT | — | — |
| 787-512 | GUAYNABO | 639J | — | Yes |
| 787-513 | CAROLINA | 8645 | 2008-10-31 | Yes |
| 787-514 | FAJARDO | 4823 | — | — |
| 787-515 | MANATI | 4823 | — | — |
| 787-516 | NARANJITO | 4823 | — | — |
| 787-517 | AGUADILLA | 4823 | — | — |
| 787-518 | TOA BAJA | 4823 | — | — |
| 787-519 | MAYAGUEZ | 4823 | — | — |
| 787-520 | SANTURCE | 8305 | — | Yes |
| 787-521 | SANTURCE | 8305 | — | — |
| 787-522 | SANTURCE | 8305 | — | — |
| 787-523 | SANTURCE | 8305 | — | — |
| 787-524 | BAYAMONNOR | 667C | 2004-11-24 | Yes |
| 787-525 | SANTURCE | 8645 | 2001-02-12 | Yes |
| 787-526 | SANTURCE | 8645 | 2001-10-11 | Yes |
| 787-527 | TRUJILLOAL | 4823 | — | — |
| 787-528 | SANTURCE | 8645 | — | — |
| 787-529 | SANTURCE | 8645 | 2002-03-15 | Yes |
| 787-530 | SANTURCE | 8645 | — | Yes |
| 787-531 | SANTURCE | 8645 | — | Yes |
| 787-532 | SANTURCE | 8645 | — | Yes |
| 787-533 | SANTURCE | 8645 | — | Yes |
| 787-534 | ROOSEVLTRD | 8305 | — | Yes |
| 787-535 | CAYEY | 8305 | — | Yes |
| 787-536 | SANTURCE | 8645 | — | Yes |
| 787-537 | SALINAS | 8305 | — | — |
| 787-538 | SAN GERMAN | 5562 | 2001-08-07 | Yes |
| 787-539 | SANTURCE | 8645 | — | Yes |
| 787-540 | SANTURCE | 6991 | — | — |
| 787-541 | SANTURCE | 6991 | — | — |
| 787-542 | SANTURCE | 6991 | — | — |
| 787-543 | GUAYANILLA | 5562 | 2001-09-12 | Yes |
| 787-544 | CAMUY | 8305 | — | Yes |
| 787-545 | TOA ALTA | 955G | — | Yes |
| 787-546 | AGUADILLA | 8645 | 2003-12-18 | Yes |
| 787-547 | SANTURCE | 8645 | — | Yes |
| 787-548 | SANTURCE | 639J | 2001-01-12 | — |
| 787-549 | MANATI | 8645 | 2001-07-09 | Yes |
| 787-550 | RIO GRANDE | 5562 | 2001-07-09 | Yes |
| 787-551 | MOCA | 8305 | — | Yes |
| 787-552 | RIOPIEDRAS | 639J | — | — |
| 787-553 | BAYAMONNOR | 4823 | 2001-07-18 | — |
| 787-554 | SANTURCE | 8645 | — | Yes |
| 787-555 | DIR ASST | MULT | — | — |
| 787-556 | FAJARDO | 8645 | 2003-12-22 | Yes |
| 787-557 | CAYEY | 5562 | 2001-09-12 | Yes |
| 787-558 | SAN ISABEL | 9726 | 2007-09-04 | Yes |
| 787-559 | HUMACAO | 5562 | 2003-02-18 | Yes |
| 787-560 | AGUADILLA | 8645 | 2004-12-03 | Yes |
| 787-561 | JUNCOS | 8305 | — | Yes |
| 787-562 | SANTURCE | 8645 | — | Yes |
| 787-563 | LARES | 8305 | — | — |
| 787-564 | RIO GRANDE | 5562 | 2002-10-23 | Yes |
| 787-565 | SANTURCE | 8645 | 2001-11-30 | Yes |
| 787-566 | ARECIBO | 8645 | 2004-04-19 | Yes |
| 787-567 | RIOPIEDRAS | 639J | — | Yes |
| 787-568 | SANTURCE | 8645 | — | — |
| 787-569 | GUANICA | 8305 | — | Yes |
| 787-570 | RIOPIEDRAS | 266G | — | — |
| 787-571 | RIOPIEDRAS | 266G | — | — |
| 787-572 | SANTURCE | 6933 | — | — |
| 787-573 | BAYAMONNOR | 6933 | — | — |
| 787-574 | BAYAMONNOR | 6933 | — | — |
| 787-575 | BAYAMONNOR | 6933 | — | — |
| 787-576 | BAYAMONNOR | 6933 | — | — |
| 787-577 | BAYAMONNOR | 6933 | — | — |
| 787-578 | BAYAMONNOR | 6933 | — | — |
| 787-579 | TRUJILLOAL | 4823 | 2001-04-20 | — |
| 787-580 | JUANA DIAZ | 8305 | — | Yes |
| 787-581 | SANTURCE | 4057 | — | — |
| 787-582 | SANTURCE | 4057 | — | — |
| 787-583 | SANTURCE | 4057 | — | — |
| 787-584 | SANTURCE | 4057 | — | — |
| 787-585 | TRUJILLOAL | 639J | — | Yes |
| 787-586 | CAGUAS | 5562 | 2002-10-31 | Yes |
| 787-587 | SANTURCE | 8645 | 2002-10-30 | Yes |
| 787-588 | JAYUYA | 8305 | — | — |
| 787-589 | AGUADA | 8305 | — | Yes |
| 787-590 | CAGUAS | 639J | 2002-01-11 | — |
| 787-591 | — | — | ||
| 787-592 | GUAYAMA | 9726 | 2007-05-14 | Yes |
| 787-593 | SANTURCE | 8645 | — | Yes |
| 787-594 | SANTURCE | 8645 | — | Yes |
| 787-595 | CAYEY | 8645 | 2004-06-01 | Yes |
| 787-596 | SANTURCE | 8645 | — | Yes |
| 787-597 | ARECIBO | 8645 | 2001-10-31 | Yes |
| 787-598 | SANTURCE | 8645 | — | — |
| 787-599 | SANTURCE | 639J | — | — |
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.