All assignees
583 prefixes in 504 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 504-200 | NEWORLEANS | 829J | — | Yes |
| 504-201 | KENNER | 6214 | — | Yes |
| 504-202 | NEWORLEANS | 7421 | — | Yes |
| 504-203 | NEWORLEANS | 624H | 2022-10-12 | Yes |
| 504-204 | XXXXXXXXXX | 9419 | — | — |
| 504-205 | LAFITTE | 5562 | 2013-07-03 | Yes |
| 504-206 | NEWORLEANS | 5562 | 2011-10-14 | Yes |
| 504-207 | NEWORLEANS | 829J | — | — |
| 504-208 | NEWORLEANS | 3232 | — | Yes |
| 504-209 | LAFITTE | 5562 | 2014-12-15 | Yes |
| 504-210 | NEWORLEANS | 829J | — | Yes |
| 504-211 | XXXXXXXXXX | MULT | — | — |
| 504-212 | NEWORLEANS | 829J | — | — |
| 504-213 | NEWORLEANS | 6630 | — | — |
| 504-214 | NEWORLEANS | 6214 | — | — |
| 504-215 | NEWORLEANS | 5562 | 2011-09-28 | Yes |
| 504-216 | KENNER | 8839 | — | — |
| 504-217 | KENNER | 150C | 2011-08-31 | Yes |
| 504-218 | NEWORLEANS | 7229 | — | Yes |
| 504-219 | NEWORLEANS | 9419 | — | — |
| 504-220 | NEWORLEANS | 6505 | — | — |
| 504-221 | KENNER | 150C | 2011-06-08 | Yes |
| 504-222 | KENNER | 150C | 2010-11-09 | Yes |
| 504-223 | KENNER | 732J | — | Yes |
| 504-224 | NEWORLEANS | 6505 | — | Yes |
| 504-225 | NEWORLEANS | 624H | 2023-07-06 | Yes |
| 504-226 | NEWORLEANS | 749E | 2015-11-30 | Yes |
| 504-227 | NEWORLEANS | 9419 | — | Yes |
| 504-228 | NEWORLEANS | 6505 | — | — |
| 504-229 | KENNER | 150C | 2011-10-14 | Yes |
| 504-230 | KENNER | 150C | 2011-06-13 | Yes |
| 504-231 | KENNER | 150C | — | Yes |
| 504-232 | NEWORLEANS | 6505 | — | — |
| 504-233 | LAFITTE | 318J | — | Yes |
| 504-234 | NEWORLEANS | 6214 | 2002-05-20 | Yes |
| 504-235 | NEWORLEANS | 7488 | — | Yes |
| 504-236 | KENNER | 150C | — | Yes |
| 504-237 | KENNER | 150C | — | Yes |
| 504-238 | NEWORLEANS | 749E | 2023-08-18 | Yes |
| 504-239 | NEWORLEANS | 6505 | — | Yes |
| 504-240 | NEWORLEANS | 9419 | — | Yes |
| 504-241 | NEWORLEANS | 9419 | — | — |
| 504-242 | NEWORLEANS | 9419 | — | — |
| 504-243 | NEWORLEANS | 9419 | — | — |
| 504-244 | NEWORLEANS | 9419 | — | — |
| 504-245 | NEWORLEANS | 9419 | — | — |
| 504-246 | NEWORLEANS | 9419 | — | — |
| 504-247 | NEWORLEANS | 829J | — | Yes |
| 504-248 | NEWORLEANS | 9419 | — | Yes |
| 504-249 | NEWORLEANS | 5562 | 2011-06-22 | Yes |
| 504-250 | NEWORLEANS | 6505 | — | — |
| 504-251 | KENNER | 150C | — | Yes |
| 504-252 | NEWORLEANS | 153F | 2008-06-16 | Yes |
| 504-253 | NEWORLEANS | 9419 | — | Yes |
| 504-254 | NEWORLEANS | 9419 | — | — |
| 504-255 | NEWORLEANS | 9419 | — | Yes |
| 504-256 | NEWORLEANS | 6214 | — | — |
| 504-257 | NEWORLEANS | 9419 | — | — |
| 504-258 | NEWORLEANS | 6505 | — | — |
| 504-259 | NEWORLEANS | 6505 | — | — |
| 504-260 | NEWORLEANS | 9419 | — | — |
| 504-261 | NEWORLEANS | 150C | 2001-10-30 | — |
| 504-262 | NEWORLEANS | 7488 | — | — |
| 504-263 | NEWORLEANS | 9419 | — | Yes |
| 504-264 | NEWORLEANS | 516C | 2009-06-09 | Yes |
| 504-265 | NEWORLEANS | 318J | — | Yes |
| 504-266 | NEWORLEANS | 9419 | 2002-04-08 | Yes |
| 504-267 | NEWORLEANS | 318J | — | Yes |
| 504-268 | KENNER | 6630 | — | — |
| 504-269 | NEWORLEANS | 9419 | — | Yes |
| 504-270 | NEWORLEANS | 9419 | — | Yes |
| 504-271 | NEWORLEANS | 9419 | — | — |
| 504-272 | NEWORLEANS | 318J | — | Yes |
| 504-273 | KENNER | 3232 | — | Yes |
| 504-274 | NEWORLEANS | 771A | 2003-05-22 | Yes |
| 504-275 | KENNER | 829J | — | Yes |
| 504-276 | NEWORLEANS | 9419 | — | Yes |
| 504-277 | NEWORLEANS | 9419 | — | — |
| 504-278 | NEWORLEANS | 9419 | — | Yes |
| 504-279 | NEWORLEANS | 9419 | — | — |
| 504-280 | NEWORLEANS | 9419 | — | — |
| 504-281 | NEWORLEANS | 9419 | — | Yes |
| 504-282 | NEWORLEANS | 9419 | — | Yes |
| 504-283 | NEWORLEANS | 9419 | — | — |
| 504-284 | NEWORLEANS | 9419 | — | Yes |
| 504-285 | NEWORLEANS | 3232 | 2004-01-27 | Yes |
| 504-286 | NEWORLEANS | 9419 | — | — |
| 504-287 | KENNER | 150C | — | Yes |
| 504-288 | NEWORLEANS | 9419 | — | — |
| 504-289 | NEWORLEANS | 6214 | — | — |
| 504-290 | KENNER | 749E | 2015-12-17 | Yes |
| 504-291 | NEWORLEANS | 073H | 2017-03-22 | Yes |
| 504-292 | KENNER | 150C | 2002-01-17 | Yes |
| 504-293 | NEWORLEANS | 829J | — | — |
| 504-294 | LAFITTE | 5562 | 2017-09-26 | Yes |
| 504-295 | NEWORLEANS | 5562 | 2011-07-14 | Yes |
| 504-296 | KENNER | 150C | — | Yes |
| 504-297 | NEWORLEANS | 8839 | — | — |
| 504-298 | NEWORLEANS | 749E | 2008-01-02 | Yes |
| 504-299 | NEWORLEANS | 9419 | — | 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.