All assignees
800 prefixes in 405 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 405-200 | OKLA CITY | 530C | — | Yes |
| 405-201 | OKLA CITY | 6272 | 2004-03-12 | Yes |
| 405-202 | OKLA CITY | 5813 | — | — |
| 405-203 | OKLA CITY | 5813 | — | — |
| 405-204 | OKLA CITY | 6529 | — | Yes |
| 405-205 | OKLA CITY | 5813 | — | — |
| 405-206 | OKLA CITY | 5813 | — | — |
| 405-207 | PAULS VLY | 9533 | — | Yes |
| 405-208 | OKLA CITY | 318J | — | Yes |
| 405-209 | OKLA CITY | 6529 | — | Yes |
| 405-210 | OKLA CITY | 6529 | — | Yes |
| 405-211 | XXXXXXXXXX | MULT | — | — |
| 405-212 | OKLA CITY | 6529 | — | Yes |
| 405-213 | OKLA CITY | 6534 | 2005-01-10 | Yes |
| 405-214 | SHAWNEE | 9533 | — | Yes |
| 405-215 | OKLA CITY | 6534 | — | Yes |
| 405-216 | EDMOND | 9533 | — | Yes |
| 405-217 | NORMAN | 9533 | — | Yes |
| 405-218 | OKLA CITY | 9533 | — | — |
| 405-219 | OKLA CITY | 9533 | — | Yes |
| 405-220 | SEMINOLE | 6272 | — | Yes |
| 405-221 | HOLDENVL | 6272 | — | Yes |
| 405-222 | CHICKASHA | 9533 | — | Yes |
| 405-223 | OKLA CITY | 6529 | 2011-08-25 | Yes |
| 405-224 | CHICKASHA | 9533 | — | — |
| 405-225 | OKLA CITY | 516C | 2001-03-12 | Yes |
| 405-226 | OKLA CITY | 5813 | 2001-03-08 | — |
| 405-227 | OKLA CITY | 6534 | — | Yes |
| 405-228 | OKLA CITY | 9533 | — | — |
| 405-229 | OKLA CITY | 5813 | 2001-09-17 | — |
| 405-230 | OKLA CITY | 9533 | — | Yes |
| 405-231 | OKLA CITY | 9533 | — | — |
| 405-232 | OKLA CITY | 9533 | — | — |
| 405-233 | ARCADIA | 829J | — | Yes |
| 405-234 | OKLA CITY | 9533 | — | Yes |
| 405-235 | OKLA CITY | 9533 | — | — |
| 405-236 | OKLA CITY | 9533 | — | — |
| 405-237 | MOORE | 9533 | — | Yes |
| 405-238 | PAULS VLY | 9533 | — | Yes |
| 405-239 | OKLA CITY | 9533 | — | Yes |
| 405-240 | CHANDLER | 9533 | — | Yes |
| 405-241 | BRITTON | 530C | — | Yes |
| 405-242 | BRITTON | 119F | 2004-05-28 | Yes |
| 405-243 | OKLA CITY | 6272 | — | Yes |
| 405-244 | OKLA CITY | 6272 | 2025-03-03 | Yes |
| 405-245 | OKLA CITY | 5813 | — | — |
| 405-246 | OKLA CITY | 530C | — | Yes |
| 405-247 | ANADARKO | 9533 | — | Yes |
| 405-248 | OKLA CITY | 530C | — | Yes |
| 405-249 | OKLA CITY | 6534 | 2001-03-26 | — |
| 405-250 | OKLA CITY | 6534 | — | — |
| 405-251 | WYNNEWOOD | 6272 | — | Yes |
| 405-252 | BRITTON | 9533 | 2014-10-20 | Yes |
| 405-253 | NORMAN | 530C | — | Yes |
| 405-254 | BRITTON | 7258 | — | Yes |
| 405-255 | OKLA CITY | 6534 | 2001-03-26 | — |
| 405-256 | MUSTANG | 318J | — | Yes |
| 405-257 | WEWOKA | 9533 | — | Yes |
| 405-258 | CHANDLER | 9533 | — | Yes |
| 405-259 | NICOMAPARK | 318J | — | Yes |
| 405-260 | GUTHRIE | 9533 | — | Yes |
| 405-261 | WHEATLAND | 318J | — | Yes |
| 405-262 | EL RENO | 9533 | — | — |
| 405-263 | OKARCHE | 2018 | — | — |
| 405-264 | OKLA CITY | 9533 | — | Yes |
| 405-265 | YUKON | 318J | — | Yes |
| 405-266 | WANETTE | 409F | — | Yes |
| 405-267 | BYARS | 119F | — | Yes |
| 405-268 | PAULS VLY | 6529 | — | Yes |
| 405-269 | STILLWATER | 6529 | — | Yes |
| 405-270 | OKLA CITY | 9533 | — | — |
| 405-271 | OKLA CITY | 9533 | — | — |
| 405-272 | OKLA CITY | 9533 | — | — |
| 405-273 | SHAWNEE | 9533 | — | — |
| 405-274 | CHICKASHA | 6529 | — | Yes |
| 405-275 | SHAWNEE | 9533 | — | — |
| 405-276 | EL RENO | 409F | 2013-07-05 | Yes |
| 405-277 | LUTHER | 9533 | — | Yes |
| 405-278 | OKLA CITY | 9533 | — | Yes |
| 405-279 | MEEKER | 1165 | — | Yes |
| 405-280 | OKLA CITY | 9533 | — | Yes |
| 405-281 | CHOCTAW | 318J | — | Yes |
| 405-282 | GUTHRIE | 9533 | — | — |
| 405-283 | PIEDMONT | 318J | — | Yes |
| 405-284 | CEDAR LAKE | 1995 | — | — |
| 405-285 | EDMOND | 318J | — | Yes |
| 405-286 | BRITTON | 318J | — | Yes |
| 405-287 | TECUMSEH | 6534 | — | Yes |
| 405-288 | WASHINGTON | 1165 | — | Yes |
| 405-289 | ST LOUIS | 1165 | — | Yes |
| 405-290 | OKLA CITY | 9533 | — | Yes |
| 405-291 | OKLA CITY | 9533 | — | Yes |
| 405-292 | NORMAN | 9533 | — | Yes |
| 405-293 | GUTHRIE | 318J | — | Yes |
| 405-294 | NOBLE | 318J | — | Yes |
| 405-295 | EL RENO | 318J | — | Yes |
| 405-296 | CROMWELL | 409F | — | Yes |
| 405-297 | OKLA CITY | 9533 | — | Yes |
| 405-298 | KINGFISHER | 6534 | — | — |
| 405-299 | CALVIN | 409F | — | 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.