All assignees
800 prefixes in 309 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 309-500 | SUMMUM | 6534 | 2021-08-25 | — |
| 309-501 | WASHINGTON | 6529 | 2003-01-02 | Yes |
| 309-502 | GENESEO | 6529 | 2003-01-16 | Yes |
| 309-503 | TOWANDA | 846F | 2004-11-22 | Yes |
| 309-504 | DANVERS | 259E | 2004-11-23 | Yes |
| 309-505 | SUNNYLAND | 224C | 2003-01-17 | Yes |
| 309-506 | ROCKISLAND | 6529 | 2018-10-04 | Yes |
| 309-507 | GENESEO | 6265 | — | Yes |
| 309-508 | METAMORA | 4837 | 2004-12-09 | — |
| 309-509 | GALESBURG | 6333 | 2004-08-30 | — |
| 309-510 | PEORIA | 6333 | — | Yes |
| 309-511 | XXXXXXXXXX | MULT | — | — |
| 309-512 | PEORIA | 508J | 2016-05-11 | Yes |
| 309-513 | ALEDO | 1183 | 2016-10-28 | Yes |
| 309-514 | ALBANY | 846F | 2004-12-16 | Yes |
| 309-515 | ERIE | 846F | 2004-12-16 | Yes |
| 309-516 | KILBOURNE | 508J | 2016-08-04 | Yes |
| 309-517 | MOLINE | 6115 | — | Yes |
| 309-518 | LEWISTOWN | 6115 | 2004-06-23 | Yes |
| 309-519 | ROCKISLAND | 6534 | 2018-10-10 | Yes |
| 309-520 | ROCKISLAND | 6529 | 2019-01-04 | Yes |
| 309-521 | ANDOVER | 0983 | — | — |
| 309-522 | OSCO | 0983 | — | — |
| 309-523 | PORT BYRON | 1183 | — | — |
| 309-524 | MOLINE | 9329 | — | Yes |
| 309-525 | KEWANEE | 6265 | — | Yes |
| 309-526 | ORION | 1067 | — | — |
| 309-527 | EL PASO | 1004 | — | — |
| 309-528 | BLOOMINGTN | 9748 | — | — |
| 309-529 | ALPHA | 1183 | — | Yes |
| 309-530 | BLOOMINGTN | 6534 | — | — |
| 309-531 | BLOOMINGTN | 6534 | — | Yes |
| 309-532 | BLOOMINGTN | 6534 | — | Yes |
| 309-533 | BLOOMINGTN | 6534 | — | Yes |
| 309-534 | PREEMPTION | 1183 | — | — |
| 309-535 | TOPEKA | 1057 | — | Yes |
| 309-536 | MONMOUTH | 6333 | 2003-01-24 | Yes |
| 309-537 | ELIZA | 1183 | — | Yes |
| 309-538 | KILBOURNE | 1183 | — | — |
| 309-539 | HAMPTON | 6115 | 2003-05-20 | Yes |
| 309-540 | KEWANEE | 6529 | 2003-07-30 | Yes |
| 309-541 | GALESBURG | 224C | 2015-11-17 | Yes |
| 309-542 | MCLEAN | 624H | — | Yes |
| 309-543 | HAVANA | 1057 | — | Yes |
| 309-544 | MACOMB | 622J | — | Yes |
| 309-545 | TALBOTT | 1057 | — | Yes |
| 309-546 | BATH | 1183 | — | — |
| 309-547 | LEWISTOWN | 9329 | — | Yes |
| 309-548 | ROSEVILLE | 593K | 2006-04-28 | Yes |
| 309-549 | GALESBURG | 073H | 2019-12-17 | Yes |
| 309-550 | PEORIA | 7196 | 2003-07-30 | Yes |
| 309-551 | MATHERVL | 846F | 2005-03-22 | Yes |
| 309-552 | ATKINSON | 846F | 2005-12-09 | Yes |
| 309-553 | ROCKISLAND | 6529 | 2019-01-04 | Yes |
| 309-554 | LACON | 846F | 2005-12-09 | Yes |
| 309-555 | DIR ASST | MULT | — | — |
| 309-556 | BLOOMINGTN | 1015 | — | — |
| 309-557 | BLOOMINGTN | 1015 | — | Yes |
| 309-558 | ROCKISLAND | 9329 | — | Yes |
| 309-559 | OQUAWKA | 846F | 2006-05-04 | Yes |
| 309-560 | COLFAX | 7136 | 2020-02-06 | Yes |
| 309-561 | PEORIA | 7229 | 2020-02-10 | Yes |
| 309-562 | EASTON | 0984 | — | — |
| 309-563 | CAMERON | 1057 | — | Yes |
| 309-564 | EL PASO | 846F | 2005-11-22 | Yes |
| 309-565 | HANNA CITY | 9329 | — | Yes |
| 309-566 | PEORIA | 9329 | — | Yes |
| 309-567 | PEORIA | 7196 | — | Yes |
| 309-568 | ANDOVER | 224C | — | Yes |
| 309-569 | BUSHNELL | 6534 | 2008-02-20 | Yes |
| 309-570 | PEORIA | 495J | 2020-03-03 | Yes |
| 309-571 | PEORIA | 073H | 2016-12-13 | Yes |
| 309-572 | MOSSVILLE | 1015 | — | — |
| 309-573 | PEORIA | 7136 | — | Yes |
| 309-574 | ALEDO | 6333 | 2003-07-28 | Yes |
| 309-575 | MACOMB | 342F | 2010-12-01 | — |
| 309-576 | MOSSVILLE | 1015 | — | Yes |
| 309-577 | MOSSVILLE | 1015 | — | — |
| 309-578 | MOSSVILLE | 1015 | — | — |
| 309-579 | MOSSVILLE | 1015 | — | Yes |
| 309-580 | MOSSVILLE | 224C | 2002-10-16 | Yes |
| 309-581 | MOLINE | 7136 | 2007-06-27 | Yes |
| 309-582 | ALEDO | 1183 | — | Yes |
| 309-583 | NORTHPEKIN | 318J | 2008-05-15 | — |
| 309-584 | JOY | 1183 | — | Yes |
| 309-585 | BLOOMINGTN | 318J | 2007-08-08 | Yes |
| 309-586 | SEATON | 1183 | — | Yes |
| 309-587 | NEW BOSTON | 1183 | — | Yes |
| 309-588 | MACOMB | 6115 | 2004-07-21 | Yes |
| 309-589 | PEORIA | 9329 | — | — |
| 309-590 | BLOOMINGTN | 224C | 2018-11-15 | Yes |
| 309-591 | LA FAYETTE | 6534 | 2021-08-25 | — |
| 309-592 | ROCKISLAND | 6534 | 2017-02-23 | Yes |
| 309-593 | SHERRARD | 1183 | — | — |
| 309-594 | NEPONSET | 1015 | — | Yes |
| 309-595 | NEPONSET | 224C | 2002-10-16 | Yes |
| 309-596 | VIOLA | 1087 | — | — |
| 309-597 | FORESTCITY | 1057 | — | Yes |
| 309-598 | KIRKWOOD | 6115 | 2005-08-16 | Yes |
| 309-599 | LONDON ML | 593K | 2006-04-28 | 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.