QWEST CORPORATION
449 prefixes in 303 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 303-202 | DENVER | 9636 | — | — |
| 303-205 | DENVER | 9636 | — | — |
| 303-215 | DENVER | 9636 | — | — |
| 303-216 | DENVER | 9636 | — | — |
| 303-220 | DENVER | 9636 | — | — |
| 303-221 | DENVER | 9636 | — | — |
| 303-224 | DENVER | 9636 | — | — |
| 303-227 | DENVER | 9636 | — | — |
| 303-231 | DENVER | 9636 | — | — |
| 303-232 | DENVER | 9636 | — | — |
| 303-233 | DENVER | 9636 | — | — |
| 303-234 | DENVER | 9636 | — | — |
| 303-235 | DENVER | 9636 | — | — |
| 303-236 | DENVER | 9636 | — | — |
| 303-237 | DENVER | 9636 | — | — |
| 303-238 | DENVER | 9636 | — | — |
| 303-239 | DENVER | 9636 | — | — |
| 303-244 | DENVER | 9636 | — | — |
| 303-245 | DENVER | 9636 | — | — |
| 303-247 | DENVER | 9636 | — | — |
| 303-252 | DENVER | 9636 | — | — |
| 303-254 | DENVER | 9636 | — | — |
| 303-255 | DENVER | 9636 | — | — |
| 303-258 | DENVER | 9636 | — | Yes |
| 303-260 | DENVER | 9636 | — | Yes |
| 303-261 | DENVER | 9636 | — | Yes |
| 303-265 | DENVER | 9636 | — | Yes |
| 303-267 | DENVER | 9636 | — | — |
| 303-269 | DENVER | 9636 | — | Yes |
| 303-270 | DENVER | 9636 | — | — |
| 303-271 | DENVER | 9636 | — | — |
| 303-272 | DENVER | 9636 | — | — |
| 303-273 | DENVER | 9636 | — | — |
| 303-274 | DENVER | 9636 | — | — |
| 303-275 | DENVER | 9636 | — | — |
| 303-277 | DENVER | 9636 | — | — |
| 303-278 | DENVER | 9636 | — | — |
| 303-279 | DENVER | 9636 | — | — |
| 303-280 | DENVER | 9636 | — | — |
| 303-281 | DENVER | 9636 | — | — |
| 303-282 | DENVER | 9636 | — | — |
| 303-283 | DENVER | 9636 | — | — |
| 303-286 | DENVER | 9636 | — | — |
| 303-287 | DENVER | 9636 | — | — |
| 303-288 | DENVER | 9636 | — | — |
| 303-289 | DENVER | 9636 | — | — |
| 303-290 | DENVER | 9636 | — | — |
| 303-291 | DENVER | 9636 | — | — |
| 303-292 | DENVER | 9636 | — | — |
| 303-293 | DENVER | 9636 | — | — |
| 303-294 | DENVER | 9636 | — | — |
| 303-295 | DENVER | 9636 | — | — |
| 303-296 | DENVER | 9636 | — | — |
| 303-297 | DENVER | 9636 | — | — |
| 303-298 | DENVER | 9636 | — | — |
| 303-299 | DENVER | 9636 | — | — |
| 303-300 | DENVER | 9636 | — | — |
| 303-306 | DENVER | 9636 | — | Yes |
| 303-307 | DENVER | 9636 | — | — |
| 303-308 | DENVER | 9636 | — | — |
| 303-312 | DENVER | 9636 | — | — |
| 303-313 | DENVER | 9636 | — | — |
| 303-314 | DENVER | 9636 | — | Yes |
| 303-315 | DENVER | 9636 | — | — |
| 303-316 | DENVER | 9636 | — | Yes |
| 303-317 | DENVER | 9636 | — | Yes |
| 303-318 | DENVER | 9636 | — | — |
| 303-320 | DENVER | 9636 | — | — |
| 303-321 | DENVER | 9636 | — | — |
| 303-322 | DENVER | 9636 | — | — |
| 303-326 | DENVER | 9636 | — | — |
| 303-329 | DENVER | 9636 | — | — |
| 303-331 | DENVER | 9636 | — | — |
| 303-333 | DENVER | 9636 | — | — |
| 303-336 | DENVER | 9636 | — | — |
| 303-337 | DENVER | 9636 | — | — |
| 303-338 | DENVER | 9636 | — | — |
| 303-340 | DENVER | 9636 | — | — |
| 303-341 | DENVER | 9636 | — | — |
| 303-342 | DENVER | 9636 | — | — |
| 303-343 | DENVER | 9636 | — | — |
| 303-344 | DENVER | 9636 | — | — |
| 303-346 | DENVER | 9636 | — | — |
| 303-347 | DENVER | 9636 | — | — |
| 303-348 | DENVER | 9636 | — | Yes |
| 303-352 | DENVER | 9636 | — | — |
| 303-355 | DENVER | 9636 | — | — |
| 303-360 | DENVER | 9636 | — | — |
| 303-361 | DENVER | 9636 | — | — |
| 303-363 | DENVER | 9636 | — | — |
| 303-364 | DENVER | 9636 | — | — |
| 303-365 | DENVER | 9636 | — | — |
| 303-366 | DENVER | 9636 | — | — |
| 303-367 | DENVER | 9636 | — | — |
| 303-368 | DENVER | 9636 | — | — |
| 303-369 | DENVER | 9636 | — | — |
| 303-370 | DENVER | 9636 | — | — |
| 303-371 | DENVER | 9636 | — | — |
| 303-372 | DENVER | 9636 | — | — |
| 303-373 | DENVER | 9636 | — | — |
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.