All assignees
535 prefixes in 320 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 320-300 | GLENCOE | 5256 | 2004-07-15 | Yes |
| 320-301 | MONTEVIDEO | 184D | 2011-11-14 | Yes |
| 320-302 | ROYALTON | 184D | — | Yes |
| 320-303 | GLENWOOD | 5816 | 2003-01-13 | Yes |
| 320-304 | ALEXANDRIA | 5816 | 2002-03-18 | Yes |
| 320-305 | ORTONVILLE | 5816 | 2002-02-13 | Yes |
| 320-306 | OGILVIE | 184D | — | Yes |
| 320-307 | BRAHAM | 184D | 2011-11-23 | Yes |
| 320-308 | ST CLOUD | 184D | 2003-02-06 | — |
| 320-309 | ST CLOUD | 6701 | 2003-03-19 | Yes |
| 320-310 | ST CLOUD | 5256 | 2002-04-29 | Yes |
| 320-311 | XXXXXXXXXX | MULT | — | — |
| 320-312 | DAWSON | 2836 | 2009-02-27 | — |
| 320-313 | GRANITEFLS | 184D | 2003-05-14 | Yes |
| 320-314 | BENSON | 184D | 2003-05-14 | Yes |
| 320-315 | GRANITEFLS | 5256 | 2003-09-22 | Yes |
| 320-316 | ST CLOUD | 184D | 2012-03-22 | Yes |
| 320-317 | OGILVIE | 5256 | 2012-12-19 | Yes |
| 320-318 | RUSH CITY | 980E | 2012-05-29 | Yes |
| 320-319 | CLEAR LAKE | 6534 | 2017-06-02 | Yes |
| 320-320 | — | — | ||
| 320-321 | MONTEVIDEO | 184D | 2004-01-21 | Yes |
| 320-322 | PINE CITY | 5256 | 2002-05-08 | Yes |
| 320-323 | PINE CITY | 184D | — | Yes |
| 320-324 | CHOKIO | 1390 | — | — |
| 320-325 | CLINTON | 1445 | — | — |
| 320-326 | LITCHFIELD | 5816 | 2003-01-13 | Yes |
| 320-327 | SILVERLAKE | 1456 | — | — |
| 320-328 | BROWNTON | 1456 | — | — |
| 320-329 | RENVILLE | 1445 | — | Yes |
| 320-330 | ST CLOUD | 145J | — | Yes |
| 320-331 | BROWNTON | 593K | 2003-01-13 | Yes |
| 320-332 | GLENCOE | 5256 | 2002-11-13 | Yes |
| 320-333 | ST CLOUD | 5816 | — | — |
| 320-334 | GLENWOOD | 6534 | 2003-04-18 | Yes |
| 320-335 | ALEXANDRIA | 184D | 2003-05-29 | Yes |
| 320-336 | HINCKLEY | 6701 | 2003-11-26 | Yes |
| 320-337 | ATWATER | 184D | 2004-01-19 | Yes |
| 320-338 | GRANITEFLS | 5256 | 2004-06-08 | Yes |
| 320-339 | ST CLOUD | 6534 | 2008-04-08 | Yes |
| 320-340 | PAYNESVL | 593K | 2006-05-15 | Yes |
| 320-341 | OGILVIE | 184D | — | Yes |
| 320-342 | ST CLOUD | 508J | 2017-04-12 | Yes |
| 320-343 | CLINTON | 719F | 2003-03-01 | Yes |
| 320-344 | HECTOR | 184D | 2004-05-19 | Yes |
| 320-345 | ST CLOUD | 7783 | 2004-07-14 | Yes |
| 320-346 | BROOTEN | 1433 | — | — |
| 320-347 | NEW LONDON | 792K | 2012-06-20 | Yes |
| 320-348 | COLDSPRING | 184D | 2007-03-13 | Yes |
| 320-349 | MORRIS | 5816 | 2008-08-21 | Yes |
| 320-350 | DANUBE | 719F | 2006-04-01 | Yes |
| 320-351 | SAUKCENTRE | 4048 | — | — |
| 320-352 | SAUKCENTRE | 9631 | — | Yes |
| 320-353 | RICHMOND | 429A | — | — |
| 320-354 | NEW LONDON | 1433 | — | — |
| 320-355 | RAMEY | 1356 | — | Yes |
| 320-356 | AVON | 9631 | — | Yes |
| 320-357 | LONGPRAIRI | 5256 | 2004-04-06 | Yes |
| 320-358 | RUSH CITY | 9631 | — | Yes |
| 320-359 | HECTOR | 6534 | — | Yes |
| 320-360 | LITTLE FLS | 6534 | — | Yes |
| 320-361 | DAWSON | 5816 | 2009-09-29 | Yes |
| 320-362 | MILACA | 5816 | 2008-10-22 | Yes |
| 320-363 | ST JOSEPH | 9631 | — | Yes |
| 320-364 | MORA | 5816 | 2008-10-21 | Yes |
| 320-365 | BIRDISLAND | 9631 | — | Yes |
| 320-366 | SUNBURG | 1433 | — | — |
| 320-367 | MAYNARD | 1370 | — | — |
| 320-368 | BENSON | 5816 | 2008-10-21 | Yes |
| 320-369 | PEASE | 1123 | — | Yes |
| 320-370 | ST CLOUD | 624H | 2017-07-14 | Yes |
| 320-371 | ST CLOUD | 197D | 2018-06-15 | Yes |
| 320-372 | SANDSTONE | 5816 | 2008-10-31 | Yes |
| 320-373 | LITCHFIELD | 184D | 2003-03-04 | Yes |
| 320-374 | ROYALTON | 145J | 2003-04-11 | Yes |
| 320-375 | SANDSTONE | 5816 | 2003-04-11 | Yes |
| 320-376 | FORESTON | 429A | — | — |
| 320-377 | GROVE CITY | 5256 | 2005-03-30 | Yes |
| 320-378 | HERMAN | 184D | 2017-03-24 | Yes |
| 320-379 | GRANITEFLS | 719F | 2010-03-17 | Yes |
| 320-380 | ST CLOUD | 7421 | — | Yes |
| 320-381 | CLARKFIELD | 184D | 2017-10-24 | Yes |
| 320-382 | KANDIYOHI | 1123 | — | Yes |
| 320-383 | HAZEL RUN | 1123 | — | Yes |
| 320-384 | HINCKLEY | 9631 | — | Yes |
| 320-385 | HINCKLEY | 5816 | 2008-10-21 | Yes |
| 320-386 | PINE CITY | 184D | — | Yes |
| 320-387 | GILMAN | 1356 | — | Yes |
| 320-388 | RUSH CITY | 184D | — | Yes |
| 320-389 | BUFFALO LK | 593K | 2006-01-12 | Yes |
| 320-390 | HINCKLEY | 073H | — | Yes |
| 320-391 | ALEXANDRIA | 184D | — | Yes |
| 320-392 | HANCOCK | 1403 | — | — |
| 320-393 | RICE | 1356 | — | Yes |
| 320-394 | HOLLOWAY | 1390 | — | — |
| 320-395 | LESTERPRRI | 1456 | — | — |
| 320-396 | BRAHAM | 9631 | — | Yes |
| 320-397 | MONTEVIDEO | 5816 | 2003-01-13 | Yes |
| 320-398 | KIMBALL | 1430 | — | Yes |
| 320-399 | IRVING | 719F | 2010-06-16 | 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.