All assignees
800 prefixes in 573 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 573-500 | CAMPBELL | 993E | 2015-02-03 | Yes |
| 573-501 | HANNIBAL | 6275 | 2014-04-01 | Yes |
| 573-502 | GRAVOIS ML | 792K | 2014-05-07 | Yes |
| 573-503 | MIDDLETOWN | 4932 | 2006-05-09 | Yes |
| 573-504 | PUXICO | 993E | 2017-01-12 | Yes |
| 573-505 | GRAVOIS ML | 993E | 2014-05-01 | Yes |
| 573-506 | TEBBETTS | 4932 | 2017-11-02 | Yes |
| 573-507 | COLUMBIA | 6529 | 2018-10-31 | Yes |
| 573-508 | TAOS | 6534 | 2017-03-22 | Yes |
| 573-509 | ALTEBGFRHN | 093F | 2016-09-19 | Yes |
| 573-510 | JACKSON | 6534 | 2018-09-27 | Yes |
| 573-511 | XXXXXXXXXX | MULT | — | — |
| 573-512 | FTLENARDWD | 6529 | — | Yes |
| 573-513 | PERRYVILLE | 5814 | — | Yes |
| 573-514 | COLUMBIA | 6529 | — | Yes |
| 573-515 | SHELBINA | 093F | — | Yes |
| 573-516 | FLAT RIVER | 5814 | 2018-12-03 | Yes |
| 573-517 | PERRYVILLE | 9533 | — | Yes |
| 573-518 | FLAT RIVER | 9533 | — | Yes |
| 573-519 | CAPEGIRARD | 9533 | — | Yes |
| 573-520 | RUSSELLVL | 4932 | 2017-02-27 | Yes |
| 573-521 | NEW MADRID | 6534 | — | Yes |
| 573-522 | JEFFERSNCY | 1811 | — | — |
| 573-523 | PIEDMONT | 1885 | 2015-06-17 | Yes |
| 573-524 | MACKSCREEK | 993E | 2017-07-03 | Yes |
| 573-525 | CAMDENTON | 516C | 2011-02-17 | Yes |
| 573-526 | JEFFERSNCY | 1811 | — | — |
| 573-527 | BIRCH TREE | 093F | 2018-11-13 | Yes |
| 573-528 | WAYNESVL | 6534 | — | — |
| 573-529 | COLUMBIA | 6529 | — | Yes |
| 573-530 | COLUMBIA | 073H | 2019-12-18 | Yes |
| 573-531 | TIMBER | 093F | — | Yes |
| 573-532 | DONIPHAN | 6275 | 2004-04-22 | Yes |
| 573-533 | CENTERTOWN | 5562 | 2014-10-03 | Yes |
| 573-534 | BONNETERRE | 516C | 2011-04-27 | Yes |
| 573-535 | STEGNVIEVE | 5562 | 2001-10-09 | Yes |
| 573-536 | TAOS | 6534 | 2020-03-09 | Yes |
| 573-537 | ROLLA | 6529 | — | Yes |
| 573-538 | BOSS | 093F | — | Yes |
| 573-539 | VERSAILLES | 6534 | 2010-09-13 | Yes |
| 573-540 | COLUMBIA | 425J | 2020-05-21 | Yes |
| 573-541 | HANNIBAL | 6534 | 2001-10-08 | Yes |
| 573-542 | CHARLESTON | 6534 | 2015-03-31 | Yes |
| 573-543 | ST MARYS | 9533 | — | Yes |
| 573-544 | FULTON | 6534 | 2001-08-20 | Yes |
| 573-545 | BENTON | 9533 | — | Yes |
| 573-546 | IRONTON | 1151 | — | Yes |
| 573-547 | PERRYVILLE | 9533 | — | Yes |
| 573-548 | MONTAUK | 1151 | — | Yes |
| 573-549 | MIDDLETOWN | 1885 | — | Yes |
| 573-550 | FULTON | 6534 | 2016-01-13 | Yes |
| 573-551 | KENNETT | 093F | — | Yes |
| 573-552 | LKOZKOSBCH | 4932 | 2001-06-19 | Yes |
| 573-553 | WESTPHALIA | 7218 | 2011-07-14 | Yes |
| 573-554 | COLUMBIA | 508J | 2013-04-02 | Yes |
| 573-555 | DIR ASST | MULT | — | — |
| 573-556 | JEFFERSNCY | 1811 | — | — |
| 573-557 | ELDON | 4932 | 2002-05-07 | Yes |
| 573-558 | REDFORD | 1874 | — | — |
| 573-559 | KENNETT | 4932 | 2002-05-07 | Yes |
| 573-560 | LOUISIANA | 4932 | 2002-05-07 | Yes |
| 573-561 | FREDERCKTN | 4932 | 2001-06-15 | Yes |
| 573-562 | LEADWOOD | 9533 | — | Yes |
| 573-563 | FTLENARDWD | 7432 | — | — |
| 573-564 | MONTGORYCY | 9533 | — | Yes |
| 573-565 | PERRY | 1151 | — | Yes |
| 573-566 | STOVER | 1885 | 2015-06-17 | Yes |
| 573-567 | MEXICO | 4932 | 2002-05-07 | Yes |
| 573-568 | BLOOMFIELD | 9533 | — | Yes |
| 573-569 | VERSAILLES | 4932 | 2002-05-07 | Yes |
| 573-570 | PERRY | 093F | — | Yes |
| 573-571 | CAPEGIRARD | 5814 | 2024-02-21 | Yes |
| 573-572 | LEASBURG | 093F | 2020-10-19 | Yes |
| 573-573 | EMINENCE | 093F | 2024-09-12 | Yes |
| 573-574 | MONTGORYCY | 093F | — | Yes |
| 573-575 | CARUTHRSVL | 4932 | 2002-05-07 | Yes |
| 573-576 | CAPEGIRARD | 6534 | — | — |
| 573-577 | HANNIBAL | 6529 | 2015-04-13 | Yes |
| 573-578 | ROLLA | 6534 | — | Yes |
| 573-579 | CAPEGIRARD | 6534 | — | — |
| 573-580 | BELLE | 624H | 2021-06-04 | Yes |
| 573-581 | MEXICO | 9533 | — | — |
| 573-582 | MEXICO | 9533 | — | Yes |
| 573-583 | ORAN | 9533 | 2001-07-11 | Yes |
| 573-584 | CENTERTOWN | 1811 | — | Yes |
| 573-585 | ELLSINORE | 093F | — | Yes |
| 573-586 | FTLENARDWD | 6529 | 2002-01-07 | Yes |
| 573-587 | CAPEGIRARD | 6529 | — | Yes |
| 573-588 | SHELBINA | 1151 | — | Yes |
| 573-589 | SHELBINA | 6534 | — | Yes |
| 573-590 | FULTON | 5814 | — | Yes |
| 573-591 | MEXICO | 250A | 2014-07-25 | Yes |
| 573-592 | FULTON | 9533 | — | Yes |
| 573-593 | GRANDIN | 1885 | — | Yes |
| 573-594 | VANDALIA | 1885 | — | Yes |
| 573-595 | EUGENE | 4932 | 2002-08-09 | Yes |
| 573-596 | FTLENARDWD | 7432 | — | — |
| 573-597 | AUXVASSE | 4932 | 2017-11-02 | Yes |
| 573-598 | ANNAPOLIS | 1151 | — | Yes |
| 573-599 | TUSCUMBIA | 093F | — | 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.