All assignees
535 prefixes in 320 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 320-400 | OLIVIA | 6534 | 2010-11-18 | Yes |
| 320-401 | MAPLE LAKE | 792K | 2012-10-15 | Yes |
| 320-402 | ST CLOUD | 551G | 2013-04-17 | Yes |
| 320-403 | WILLMAR | 8405 | 2009-06-03 | Yes |
| 320-404 | SUNBURG | 719F | 2010-06-16 | Yes |
| 320-405 | HUTCHINSON | 6701 | 2013-05-02 | Yes |
| 320-406 | ST CLOUD | 5816 | 2015-10-01 | Yes |
| 320-407 | ST CLOUD | 184D | 2013-10-25 | Yes |
| 320-408 | PLATO | 508J | 2014-10-24 | Yes |
| 320-409 | SPICER | 792K | 2012-06-20 | Yes |
| 320-410 | ASKOV | 184D | 2021-06-17 | Yes |
| 320-411 | XXXXXXXXXX | MULT | — | — |
| 320-412 | LITTLE FLS | 6701 | 2003-01-21 | Yes |
| 320-413 | APPLETON | 5816 | 2008-10-21 | Yes |
| 320-414 | LITTLE FLS | 792K | 2006-05-04 | Yes |
| 320-415 | MELROSE | 792K | 2019-04-18 | Yes |
| 320-416 | RUSH CITY | 980E | 2015-04-28 | Yes |
| 320-417 | W DANBURY | 508J | 2014-12-24 | Yes |
| 320-418 | OSAKIS | 792K | 2019-05-07 | Yes |
| 320-419 | WILLMAR | 4156 | 2019-04-22 | Yes |
| 320-420 | ST CLOUD | 6701 | — | — |
| 320-421 | ALEXANDRIA | 5256 | 2001-11-16 | — |
| 320-422 | WHEATON | 184D | 2004-04-26 | Yes |
| 320-423 | ST CLOUD | 5816 | 2016-09-09 | Yes |
| 320-424 | GLENWOOD | 5816 | 2001-12-03 | Yes |
| 320-425 | BRAHAM | 6534 | 2019-10-07 | Yes |
| 320-426 | ST CLOUD | 073H | 2019-12-16 | Yes |
| 320-427 | BEARDSLEY | 184D | 2020-01-06 | Yes |
| 320-428 | ST CLOUD | 980E | 2008-05-14 | Yes |
| 320-429 | SAUKCENTRE | 5816 | 2008-10-21 | Yes |
| 320-430 | ANNANDALE | 1414 | 2016-08-26 | Yes |
| 320-431 | LITTLE FLS | 6701 | 2002-10-10 | Yes |
| 320-432 | HOLMESCITY | 5256 | 2005-02-22 | Yes |
| 320-433 | ST JOSEPH | 5256 | 2004-11-30 | Yes |
| 320-434 | LITCHFIELD | 5256 | 2004-12-09 | Yes |
| 320-435 | MONTEVIDEO | 5816 | 2020-03-31 | Yes |
| 320-436 | MORA | 5816 | 2020-10-07 | Yes |
| 320-437 | ST CLOUD | 425J | 2020-07-22 | Yes |
| 320-438 | PINE CITY | 5816 | 2008-10-21 | Yes |
| 320-439 | HANCOCK | 719F | 2006-09-22 | Yes |
| 320-440 | COSMOS | 719F | 2006-05-15 | Yes |
| 320-441 | WILLMAR | 184D | 2002-09-25 | Yes |
| 320-442 | LITCHFIELD | 4156 | 2020-11-18 | Yes |
| 320-443 | ST CLOUD | 6534 | 2005-10-07 | Yes |
| 320-444 | WILLMAR | 5816 | 2005-07-12 | Yes |
| 320-445 | ALEXANDRIA | 495J | 2021-03-05 | Yes |
| 320-446 | STEWART | 593K | 2006-01-12 | Yes |
| 320-447 | CLEAR LAKE | 6534 | 2021-03-08 | Yes |
| 320-448 | ST CLOUD | 515J | 2021-04-01 | Yes |
| 320-449 | PIERZ | 6701 | 2021-05-06 | Yes |
| 320-450 | DASSEL | 1226 | — | — |
| 320-451 | BRAHAM | 184D | — | Yes |
| 320-452 | ST CLOUD | 107F | 2021-08-25 | Yes |
| 320-453 | EDENVALLEY | 1430 | — | Yes |
| 320-455 | HUTCHINSON | 593K | 2006-05-22 | Yes |
| 320-456 | RAYMOND | 184D | 2004-12-28 | Yes |
| 320-457 | VILLARD | 073H | 2021-08-25 | Yes |
| 320-458 | BIRDISLAND | 980E | 2022-01-31 | Yes |
| 320-459 | HUTCHINSON | 6701 | 2022-04-26 | Yes |
| 320-460 | ALEXANDRIA | 5816 | 2008-08-20 | Yes |
| 320-461 | BROWERVL | 792K | 2007-03-22 | Yes |
| 320-462 | GLENCOE | 732J | 2022-11-07 | Yes |
| 320-463 | WILLMAR | 732J | 2023-02-10 | Yes |
| 320-464 | COSMOS | 184D | 2005-01-18 | Yes |
| 320-465 | PINE CITY | 965H | 2019-12-11 | Yes |
| 320-466 | AVON | 965H | 2020-10-13 | Yes |
| 320-467 | RUSH CITY | 980E | 2022-01-27 | Yes |
| 320-468 | PIERZ | 1445 | — | Yes |
| 320-469 | ST CLOUD | 434F | 2005-03-09 | Yes |
| 320-470 | ST CLOUD | 973H | 2016-11-22 | Yes |
| 320-471 | ST CLOUD | 318J | 2023-03-07 | Yes |
| 320-472 | ST CLOUD | 321J | 2023-03-09 | Yes |
| 320-473 | ST CLOUD | 490J | 2023-04-11 | Yes |
| 320-474 | ELROSA | 4156 | 2023-08-02 | Yes |
| 320-475 | AVON | 939H | 2023-08-18 | Yes |
| 320-476 | ST CLOUD | 475J | 2023-12-12 | Yes |
| 320-477 | LITTLE FLS | 6534 | 2025-11-05 | Yes |
| 320-478 | ST CLOUD | 7229 | 2024-05-01 | Yes |
| 320-479 | CLEAR LAKE | 6534 | 2024-07-05 | Yes |
| 320-480 | DASSEL | 073H | — | Yes |
| 320-481 | MORA | 5816 | 2024-10-18 | Yes |
| 320-482 | ST CLOUD | 478J | 2025-01-24 | Yes |
| 320-484 | HUTCHINSON | 1409 | — | — |
| 320-485 | WINSTED | 1507 | — | Yes |
| 320-486 | ST CLOUD | 700J | 2025-12-08 | Yes |
| 320-487 | ORTONVILLE | 429A | 2008-05-14 | — |
| 320-488 | RANDALL | 965H | 2020-10-13 | Yes |
| 320-490 | HOWARDLAKE | 1226 | — | Yes |
| 320-491 | ALEXANDRIA | 6701 | — | Yes |
| 320-492 | ST CLOUD | 6701 | — | Yes |
| 320-493 | ST CLOUD | 6701 | 2001-09-13 | Yes |
| 320-495 | WAHKON | 1123 | — | Yes |
| 320-496 | BRAHAM | 6534 | — | Yes |
| 320-497 | ST CLOUD | 184D | 2011-02-17 | Yes |
| 320-499 | BRANDON | 965H | 2020-10-13 | Yes |
| 320-500 | ORTONVILLE | 5816 | 2011-01-13 | Yes |
| 320-507 | — | — | ||
| 320-510 | GLENCOE | 5816 | 2001-12-14 | Yes |
| 320-511 | XXXXXXXXXX | MULT | — | — |
| 320-514 | BRAHAM | 184D | — | 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.