All assignees
800 prefixes in 573 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 573-300 | POPLAR BLF | 6534 | 2003-04-09 | Yes |
| 573-301 | JEFFERSNCY | 6534 | 2003-04-21 | Yes |
| 573-302 | LKOZKOSBCH | 9533 | — | Yes |
| 573-303 | COLUMBIA | 7432 | 2005-05-31 | Yes |
| 573-304 | CALIFORNIA | 073H | — | Yes |
| 573-305 | BIRCH TREE | 6534 | — | Yes |
| 573-306 | EMINENCE | 093F | — | Yes |
| 573-307 | WINONA | 093F | — | Yes |
| 573-308 | ROLLA | 1811 | — | Yes |
| 573-309 | BELL CITY | 993E | — | Yes |
| 573-310 | FULTON | 5562 | — | Yes |
| 573-311 | XXXXXXXXXX | MULT | — | — |
| 573-312 | ELSBERRY | 4932 | 2003-01-10 | Yes |
| 573-313 | BENTON | 093F | — | Yes |
| 573-314 | FRANKFORD | 4932 | 2003-01-10 | Yes |
| 573-315 | FLAT RIVER | 5814 | — | Yes |
| 573-316 | CARDWELL | 993E | — | Yes |
| 573-317 | CAMDENTON | 9533 | — | Yes |
| 573-318 | CHAFFEE | 6534 | — | Yes |
| 573-319 | MACKSCREEK | 4932 | 2003-01-10 | Yes |
| 573-320 | VAN BUREN | 093F | — | Yes |
| 573-321 | ADVANCE | 4932 | 2003-01-10 | Yes |
| 573-322 | ELLSINORE | 1151 | — | Yes |
| 573-323 | VAN BUREN | 1151 | — | Yes |
| 573-324 | BOWLNGGREN | 9533 | — | Yes |
| 573-325 | WINONA | 1151 | — | Yes |
| 573-326 | MARSTON | 5814 | 2003-02-04 | Yes |
| 573-327 | FLAT RIVER | 9533 | — | Yes |
| 573-328 | QULIN | 9533 | — | Yes |
| 573-329 | FTLENARDWD | 1811 | — | — |
| 573-330 | FARMINGTON | 6534 | 2003-06-20 | Yes |
| 573-331 | CAPEGIRARD | 9533 | — | Yes |
| 573-332 | CAPEGIRARD | 9533 | — | Yes |
| 573-333 | CARUTHRSVL | 9533 | — | Yes |
| 573-334 | CAPEGIRARD | 9533 | — | — |
| 573-335 | CAPEGIRARD | 9533 | — | — |
| 573-336 | ST ROBERT | 1811 | — | — |
| 573-337 | ST ROBERT | 5814 | — | Yes |
| 573-338 | JEFFERSNCY | 6275 | — | Yes |
| 573-339 | CAPEGIRARD | 9533 | — | Yes |
| 573-340 | WELLSVILLE | 4932 | 2003-01-10 | Yes |
| 573-341 | ROLLA | 1811 | — | — |
| 573-342 | RICHWOODS | 4932 | 2003-01-10 | Yes |
| 573-343 | PUXICO | 9533 | 2003-01-10 | Yes |
| 573-344 | KENNETT | 6534 | — | Yes |
| 573-345 | CLIMAX SPG | 9533 | — | Yes |
| 573-346 | CAMDENTON | 9533 | — | — |
| 573-347 | CLIMAX SPG | 9533 | — | Yes |
| 573-348 | LKOZKOSBCH | 9533 | — | — |
| 573-349 | PATTON | 4932 | 2003-01-10 | Yes |
| 573-350 | DELTA | 093F | — | Yes |
| 573-351 | DONIPHAN | 1885 | — | Yes |
| 573-352 | POCAHONTAS | 4932 | 2003-01-10 | Yes |
| 573-353 | JEFFERSNCY | 6529 | — | Yes |
| 573-354 | OXLY | 1885 | — | Yes |
| 573-355 | COLUMBIA | 4932 | 2002-03-06 | Yes |
| 573-356 | COLUMBIA | 6529 | — | Yes |
| 573-357 | PARMA | 0463 | — | Yes |
| 573-358 | BONNETERRE | 9533 | — | Yes |
| 573-359 | HAYTI | 9533 | — | Yes |
| 573-360 | E PRAIRIE | 792K | — | Yes |
| 573-361 | ESSEX | 093F | — | Yes |
| 573-362 | FISK | 093F | — | Yes |
| 573-363 | MACKSCREEK | 9533 | — | Yes |
| 573-364 | ROLLA | 1811 | — | — |
| 573-365 | LKOZKOSBCH | 9533 | — | — |
| 573-366 | FARMINGTON | 6534 | — | Yes |
| 573-367 | SAFE | 9787 | 2001-05-24 | Yes |
| 573-368 | ROLLA | 1811 | — | Yes |
| 573-369 | TUSCUMBIA | 9533 | — | Yes |
| 573-370 | GIDEON | 225F | — | Yes |
| 573-371 | HOLCOMB | 225F | — | Yes |
| 573-372 | GRAVOIS ML | 9533 | — | Yes |
| 573-373 | LADDONIA | 1151 | — | Yes |
| 573-374 | GRAVOIS ML | 9533 | — | — |
| 573-375 | ELDON | 6275 | — | Yes |
| 573-376 | HORNERSVL | 093F | — | Yes |
| 573-377 | STOVER | 1885 | — | Yes |
| 573-378 | VERSAILLES | 9533 | — | — |
| 573-379 | PORTAGEVL | 9533 | — | Yes |
| 573-380 | SIKESTON | 6534 | — | — |
| 573-381 | CAPEGIRARD | 7218 | — | Yes |
| 573-382 | CAPEGIRARD | 6534 | — | Yes |
| 573-383 | CANTON | 093F | — | Yes |
| 573-384 | SILEX | 1885 | — | Yes |
| 573-385 | LILBOURN | 093F | — | Yes |
| 573-386 | AUXVASSE | 1901 | — | Yes |
| 573-387 | HATTON | 1901 | — | Yes |
| 573-388 | CAPEGIRARD | 993E | — | Yes |
| 573-389 | OAK RIDGE | 093F | — | Yes |
| 573-390 | OLDAPPLETN | 6534 | — | Yes |
| 573-391 | PORTAGEVL | 6534 | — | Yes |
| 573-392 | ELDON | 9533 | — | — |
| 573-393 | WESTQUINCY | 1151 | — | Yes |
| 573-394 | RISCO | 225F | — | Yes |
| 573-395 | TAOS | 1811 | — | Yes |
| 573-396 | RISCO | 9533 | — | Yes |
| 573-397 | COLUMBIA | 9784 | 2001-05-22 | Yes |
| 573-398 | SCOTT CITY | 093F | — | Yes |
| 573-399 | NAYLOR | 1885 | — | 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.