All assignees
295 prefixes in 228 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 228-200 | HURLEY | 516C | 2011-08-03 | Yes |
| 228-201 | PASCAGOULA | 5278 | 2001-08-27 | — |
| 228-202 | PASCAGOULA | 9419 | — | Yes |
| 228-203 | GULFPORT | 732J | 2022-10-04 | Yes |
| 228-204 | XXXXXXXXXX | 9419 | — | — |
| 228-205 | PASCAGOULA | 5178 | — | Yes |
| 228-206 | GULFPORT | 5178 | — | Yes |
| 228-207 | BILOXI | 5178 | — | — |
| 228-208 | BILOXI | 6630 | — | — |
| 228-209 | BILOXI | 6396 | — | — |
| 228-210 | PASCAGOULA | 6630 | — | — |
| 228-211 | XXXXXXXXXX | MULT | — | — |
| 228-212 | TANNERWLMS | 624H | 2022-09-30 | Yes |
| 228-213 | GULFPORT | 6396 | — | Yes |
| 228-214 | GULFPORT | 9419 | — | Yes |
| 228-215 | OCEAN SPG | 6916 | 2007-01-16 | Yes |
| 228-216 | BAYSTLOUIS | 6581 | — | — |
| 228-217 | PASCAGOULA | 6581 | — | — |
| 228-218 | PASCAGOULA | 6581 | — | — |
| 228-219 | PASCAGOULA | 6581 | — | — |
| 228-220 | BAYSTLOUIS | 5178 | 2002-07-16 | Yes |
| 228-221 | — | — | ||
| 228-222 | PASSCHRSTN | 5178 | 2002-07-16 | Yes |
| 228-223 | GULFPORT | 6214 | 2004-02-18 | Yes |
| 228-224 | GULFPORT | 6396 | 2004-03-26 | — |
| 228-225 | PASSCHRSTN | 490J | 2022-11-17 | Yes |
| 228-226 | BAYSTLOUIS | 5562 | 2007-01-16 | Yes |
| 228-227 | BILOXI | 732J | 2023-03-15 | Yes |
| 228-228 | — | — | ||
| 228-229 | BILOXI | 6214 | 2002-04-03 | Yes |
| 228-230 | OCEAN SPG | 829J | — | — |
| 228-231 | BAYSTLOUIS | 593K | 2012-08-21 | Yes |
| 228-232 | BILOXI | 5278 | 2001-05-24 | — |
| 228-233 | BILOXI | 829J | 2001-02-27 | Yes |
| 228-234 | GULFPORT | 6581 | 2003-06-17 | — |
| 228-235 | OCEAN SPG | 6916 | 2002-09-06 | — |
| 228-236 | GULFPORT | 829J | 2001-05-02 | Yes |
| 228-237 | VANCLEAVE | 5278 | 2003-10-30 | — |
| 228-238 | OCEAN SPG | 6214 | 2001-03-08 | Yes |
| 228-239 | BILOXI | 6396 | 2002-10-14 | Yes |
| 228-240 | GULFPORT | 318J | 2023-03-24 | Yes |
| 228-241 | GULFPORT | 5278 | 2001-05-24 | — |
| 228-242 | BAYSTLOUIS | 5278 | 2001-05-24 | — |
| 228-243 | BILOXI | 6214 | — | Yes |
| 228-244 | OCEAN SPG | 829J | 2001-05-10 | — |
| 228-245 | PASSCHRSTN | 829J | 2001-09-25 | — |
| 228-246 | MOSS POINT | 829J | 2001-09-07 | — |
| 228-247 | HURLEY | 5278 | 2003-10-30 | — |
| 228-248 | GULFPORT | 5278 | 2003-10-30 | — |
| 228-249 | PASCAGOULA | 5562 | 2002-02-25 | Yes |
| 228-250 | BILOXI | 073H | 2021-04-30 | Yes |
| 228-251 | — | — | ||
| 228-252 | BAYSTLOUIS | 829J | — | Yes |
| 228-253 | BILOXI | 475J | 2023-05-23 | Yes |
| 228-254 | PASSCHRSTN | 6916 | 2003-03-20 | Yes |
| 228-255 | PASSCHRSTN | 9419 | — | — |
| 228-256 | GULFPORT | 073H | 2016-12-21 | Yes |
| 228-257 | BILOXI | 5562 | 2003-04-14 | Yes |
| 228-258 | PASCAGOULA | 5278 | 2003-10-30 | — |
| 228-259 | PEARLINGTN | 5278 | 2003-10-30 | — |
| 228-260 | BILOXI | 197D | 2018-06-04 | Yes |
| 228-261 | GULFPORT | 5562 | 2002-09-19 | Yes |
| 228-262 | BILOXI | 478J | 2020-09-17 | Yes |
| 228-263 | GULFPORT | 6396 | — | Yes |
| 228-264 | BILOXI | 6396 | — | Yes |
| 228-265 | GULFPORT | 7229 | 2003-09-02 | Yes |
| 228-266 | OCEAN SPG | 5278 | 2003-10-30 | — |
| 228-267 | BILOXI | 5278 | 2003-10-30 | — |
| 228-268 | PASSCHRSTN | 5278 | 2003-10-30 | — |
| 228-269 | BILOXI | 425J | 2020-06-03 | Yes |
| 228-270 | BAYSTLOUIS | 5278 | 2003-10-30 | — |
| 228-271 | BILOXI | 458C | 2008-04-30 | Yes |
| 228-272 | MOSS POINT | 5278 | 2003-10-30 | — |
| 228-273 | BILOXI | 220C | 2002-04-29 | Yes |
| 228-274 | GULFPORT | 515J | 2020-10-01 | Yes |
| 228-275 | BILOXI | 5178 | — | Yes |
| 228-276 | BILOXI | 6214 | — | Yes |
| 228-277 | GULFPORT | 597F | 2019-06-27 | Yes |
| 228-278 | OCEAN SPG | 6214 | 2021-12-06 | Yes |
| 228-279 | GULFPORT | 490J | 2021-12-29 | Yes |
| 228-280 | BILOXI | 719E | — | Yes |
| 228-281 | PASCAGOULA | 6396 | — | Yes |
| 228-282 | OCEAN SPG | 829J | — | Yes |
| 228-283 | VANCLEAVE | 516C | 2001-10-02 | Yes |
| 228-284 | GULFPORT | 5178 | 2002-04-29 | Yes |
| 228-285 | MOSS POINT | 7421 | 2004-04-06 | Yes |
| 228-286 | BILOXI | 829J | 2022-03-16 | Yes |
| 228-287 | BILOXI | 6214 | 2006-05-11 | Yes |
| 228-288 | PASSCHRSTN | 965H | 2021-06-03 | Yes |
| 228-289 | BILOXI | 719E | 2023-08-10 | Yes |
| 228-290 | PASSCHRSTN | 719E | 2023-08-10 | Yes |
| 228-291 | TANNERWLMS | 719E | 2023-09-11 | Yes |
| 228-292 | VANCLEAVE | 719E | 2024-02-28 | Yes |
| 228-293 | BILOXI | 6214 | 2024-03-14 | Yes |
| 228-294 | OCEAN SPG | 719E | 2024-05-14 | Yes |
| 228-295 | BILOXI | 829J | 2008-02-13 | Yes |
| 228-296 | BILOXI | 719E | 2024-05-30 | Yes |
| 228-297 | BILOXI | 6581 | — | — |
| 228-298 | MOSS POINT | 719E | 2024-06-18 | Yes |
| 228-299 | PEARLINGTN | 7421 | 2019-07-03 | 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.