All assignees
800 prefixes in 323 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 323-300 | LSAN DA 02 | 671J | — | Yes |
| 323-301 | LSAN DA 14 | 7262 | — | Yes |
| 323-302 | LSAN DA 13 | 7229 | — | Yes |
| 323-303 | MONTEBELLO | 8826 | 2006-11-28 | Yes |
| 323-304 | LSAN DA 14 | 6529 | 2001-12-26 | — |
| 323-305 | LSAN DA 09 | 7262 | — | Yes |
| 323-306 | LSAN DA 08 | 7229 | — | Yes |
| 323-307 | LSAN DA 05 | 9740 | — | Yes |
| 323-308 | LSAN DA 14 | 9740 | — | Yes |
| 323-309 | LSAN DA 14 | 899D | — | Yes |
| 323-310 | LSAN DA 06 | 649C | 2015-11-23 | Yes |
| 323-311 | XXXXXXXXXX | MULT | — | — |
| 323-312 | LSAN DA 06 | 671J | — | Yes |
| 323-313 | MONTEBELLO | 6006 | — | Yes |
| 323-314 | MONTEBELLO | 6010 | — | — |
| 323-315 | LSAN DA 02 | 829J | — | Yes |
| 323-316 | LSAN DA 03 | 829J | — | Yes |
| 323-317 | LSAN DA 04 | 829J | — | Yes |
| 323-318 | LSAN DA 05 | 829J | — | Yes |
| 323-319 | LSAN DA 06 | 829J | — | Yes |
| 323-320 | LSAN DA 02 | 899D | 2010-07-06 | Yes |
| 323-321 | LSAN DA 09 | 9740 | — | Yes |
| 323-322 | LSAN DA 11 | 6630 | — | — |
| 323-323 | LSAN DA 09 | 252F | 2025-04-02 | Yes |
| 323-324 | MONTEBELLO | 6906 | — | — |
| 323-325 | LSAN DA 08 | 829J | — | Yes |
| 323-326 | LSAN DA 06 | 9740 | — | Yes |
| 323-327 | LSAN DA 09 | 829J | — | Yes |
| 323-328 | LSAN DA 11 | 829J | — | Yes |
| 323-329 | LSAN DA 12 | 829J | — | Yes |
| 323-330 | LSAN DA 13 | 829J | — | Yes |
| 323-331 | LSAN DA 02 | 7240 | 2001-05-10 | Yes |
| 323-332 | LSAN DA 04 | 8826 | — | Yes |
| 323-333 | LSAN DA 14 | 6006 | — | — |
| 323-334 | LSAN DA 11 | 671J | — | Yes |
| 323-335 | LSAN DA 02 | 671J | — | Yes |
| 323-336 | LSAN DA 09 | 7240 | — | Yes |
| 323-337 | LSAN DA 14 | 829J | — | Yes |
| 323-338 | LSAN DA 02 | 7240 | 2001-05-10 | Yes |
| 323-339 | LSAN DA 03 | 9748 | — | — |
| 323-340 | LSAN DA 03 | 9740 | — | — |
| 323-341 | LSAN DA 03 | 9740 | — | — |
| 323-342 | LSAN DA 04 | 9740 | — | Yes |
| 323-343 | LSAN DA 04 | 9740 | — | — |
| 323-344 | LSAN DA 03 | 9740 | — | Yes |
| 323-345 | LSAN DA 02 | 671J | — | Yes |
| 323-346 | MONTEBELLO | 671J | — | Yes |
| 323-347 | LSAN DA 12 | 7229 | — | Yes |
| 323-348 | LSAN DA 12 | 7718 | — | Yes |
| 323-349 | LSAN DA 03 | 9740 | — | Yes |
| 323-350 | LSAN DA 04 | 6529 | 2002-09-19 | — |
| 323-351 | LSAN DA 06 | 7229 | — | Yes |
| 323-352 | LSAN DA 04 | 9740 | — | Yes |
| 323-353 | MONTEBELLO | 899D | — | Yes |
| 323-354 | LSAN DA 05 | 7718 | — | Yes |
| 323-355 | LSAN DA 03 | 6630 | — | — |
| 323-356 | LSAN DA 14 | 6010 | — | — |
| 323-357 | LSAN DA 06 | 9740 | — | Yes |
| 323-358 | MONTEBELLO | 899D | 2011-12-23 | Yes |
| 323-359 | MONTEBELLO | 899D | — | Yes |
| 323-360 | LSAN DA 05 | 7139 | — | Yes |
| 323-361 | LSAN DA 02 | 9740 | 2006-10-24 | Yes |
| 323-362 | LSAN DA 05 | 7139 | — | Yes |
| 323-363 | LSAN DA 14 | 6010 | — | — |
| 323-364 | LSAN DA 06 | 981E | 2010-09-30 | Yes |
| 323-365 | MONTEBELLO | 6010 | — | — |
| 323-366 | LSAN DA 14 | 981E | — | Yes |
| 323-367 | LSAN DA 03 | 6630 | — | — |
| 323-368 | LSAN DA 08 | 9262 | — | Yes |
| 323-369 | LSAN DA 09 | 6010 | 2002-01-29 | — |
| 323-370 | LSAN DA 13 | 9740 | — | Yes |
| 323-371 | LSAN DA 14 | 6006 | — | — |
| 323-372 | LSAN DA 14 | 981E | — | Yes |
| 323-373 | LSAN DA 11 | 9740 | — | Yes |
| 323-374 | LSAN DA 06 | 671J | — | Yes |
| 323-375 | LSAN DA 02 | 649C | — | Yes |
| 323-376 | LSAN DA 14 | 6006 | — | — |
| 323-377 | LSAN DA 14 | 6529 | — | Yes |
| 323-378 | LSAN DA 14 | 8826 | — | Yes |
| 323-379 | LSAN DA 04 | 6529 | — | Yes |
| 323-380 | LSAN DA 14 | 981E | 2010-10-06 | Yes |
| 323-381 | LSAN DA 13 | 6529 | — | Yes |
| 323-382 | LSAN DA 14 | 9740 | — | Yes |
| 323-383 | LSAN DA 06 | 7229 | — | Yes |
| 323-384 | LSAN DA 03 | 9740 | — | Yes |
| 323-385 | MONTEBELLO | 899D | — | Yes |
| 323-386 | LSAN DA 11 | 7229 | — | Yes |
| 323-387 | LSAN DA 14 | 6006 | 2002-08-21 | Yes |
| 323-388 | LSAN DA 06 | 6006 | — | Yes |
| 323-389 | LSAN DA 12 | 7229 | 2001-02-22 | Yes |
| 323-390 | LSAN DA 11 | 7894 | — | — |
| 323-391 | LSAN DA 14 | 8826 | 2010-10-11 | Yes |
| 323-392 | LSAN DA 06 | 899D | 2006-12-08 | Yes |
| 323-393 | LSAN DA 09 | 515J | — | Yes |
| 323-394 | LSAN DA 14 | 6006 | — | — |
| 323-395 | LSAN DA 06 | 6006 | — | Yes |
| 323-396 | LSAN DA 14 | 899D | 2010-10-18 | Yes |
| 323-397 | LSAN DA 14 | 6010 | 2001-04-16 | — |
| 323-398 | LSAN DA 03 | 7229 | 2010-11-19 | Yes |
| 323-399 | MONTEBELLO | 899D | 2007-02-13 | 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.