All assignees
800 prefixes in 972 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 972-200 | SEAGOVILLE | 6114 | 2002-12-19 | Yes |
| 972-201 | DALLAS | 7229 | — | Yes |
| 972-202 | PLANO | 7148 | — | Yes |
| 972-203 | DALLAS | 9533 | — | Yes |
| 972-204 | DALLAS | 9533 | — | Yes |
| 972-205 | PLANO | 4344 | — | — |
| 972-206 | GRANDPRARI | 9533 | — | Yes |
| 972-207 | GRANDPRARI | 6534 | 2005-01-07 | Yes |
| 972-208 | PLANO | 4344 | — | — |
| 972-209 | GRANDPRARI | 6534 | 2020-03-26 | Yes |
| 972-210 | TERRELL | 671J | — | Yes |
| 972-211 | XXXXXXXXXX | MULT | — | — |
| 972-212 | PLANO | 7670 | — | Yes |
| 972-213 | GRANDPRARI | 6506 | — | Yes |
| 972-214 | FRISCO | 6534 | — | Yes |
| 972-215 | IRVING | 7670 | — | Yes |
| 972-216 | DALLAS | 9533 | — | Yes |
| 972-217 | DE SOTO | 9533 | — | Yes |
| 972-218 | DALLAS | 9533 | — | Yes |
| 972-219 | LEWISVILLE | 4344 | — | — |
| 972-220 | DALLAS | 7670 | — | Yes |
| 972-221 | LEWISVILLE | 4344 | — | — |
| 972-222 | DALLAS | 9533 | — | — |
| 972-223 | DE SOTO | 9533 | — | — |
| 972-224 | DALLAS | 9533 | — | — |
| 972-225 | DALLAS | 9533 | — | — |
| 972-226 | DALLAS | 9533 | — | — |
| 972-227 | DALLAS | 9533 | — | — |
| 972-228 | DALLAS | 9533 | — | — |
| 972-229 | GRANDPRARI | 6630 | — | — |
| 972-230 | DE SOTO | 9533 | — | — |
| 972-231 | DALLAS | 9533 | — | — |
| 972-232 | DALLAS | 7229 | — | Yes |
| 972-233 | DALLAS | 9533 | — | — |
| 972-234 | DALLAS | 9533 | — | — |
| 972-235 | DALLAS | 9533 | — | — |
| 972-236 | CARROLLTON | 7148 | — | Yes |
| 972-237 | GRANDPRARI | 9533 | — | — |
| 972-238 | DALLAS | 9533 | — | — |
| 972-239 | DALLAS | 9533 | — | — |
| 972-240 | PLANO | 4344 | — | — |
| 972-241 | DALLAS | 9533 | — | — |
| 972-242 | CARROLLTON | 4344 | — | — |
| 972-243 | DALLAS | 9533 | — | — |
| 972-244 | PLANO | 7148 | — | Yes |
| 972-245 | CARROLLTON | 4344 | — | — |
| 972-246 | DALLAS | 7421 | — | Yes |
| 972-247 | DALLAS | 9533 | — | — |
| 972-248 | DALLAS | 9533 | — | — |
| 972-249 | GRANDPRARI | 7229 | — | Yes |
| 972-250 | DALLAS | 9533 | — | — |
| 972-251 | IRVING | 4344 | — | Yes |
| 972-252 | IRVING | 4344 | — | — |
| 972-253 | IRVING | 4344 | — | — |
| 972-254 | IRVING | 4344 | — | — |
| 972-255 | IRVING | 4344 | — | — |
| 972-256 | IRVING | 4344 | — | Yes |
| 972-257 | IRVING | 4344 | — | — |
| 972-258 | IRVING | 4344 | — | — |
| 972-259 | IRVING | 4344 | — | Yes |
| 972-260 | GRANDPRARI | 9533 | — | — |
| 972-261 | IRVING | 4344 | — | Yes |
| 972-262 | GRANDPRARI | 9533 | — | — |
| 972-263 | GRANDPRARI | 9533 | — | — |
| 972-264 | GRANDPRARI | 9533 | — | — |
| 972-265 | PLANO | 7516 | — | Yes |
| 972-266 | GRANDPRARI | 9533 | — | Yes |
| 972-267 | DALLAS | 9533 | — | Yes |
| 972-268 | WAXAHACHIE | 903C | — | Yes |
| 972-269 | GRANDPRARI | 9533 | — | Yes |
| 972-270 | DALLAS | 9533 | — | — |
| 972-271 | PLANO | 4344 | — | — |
| 972-272 | PLANO | 4344 | — | — |
| 972-273 | IRVING | 4344 | — | Yes |
| 972-274 | DE SOTO | 9533 | — | — |
| 972-275 | DALLAS | 9533 | — | Yes |
| 972-276 | PLANO | 4344 | — | — |
| 972-277 | DALLAS | 9533 | — | Yes |
| 972-278 | PLANO | 4344 | — | — |
| 972-279 | DALLAS | 9533 | — | — |
| 972-280 | DALLAS | 9533 | — | Yes |
| 972-281 | IRVING | 4344 | — | Yes |
| 972-282 | GRANDPRARI | 9533 | — | Yes |
| 972-283 | DALLAS | 9533 | — | — |
| 972-284 | DALLAS | 9533 | — | Yes |
| 972-285 | DALLAS | 9533 | — | — |
| 972-286 | DALLAS | 9533 | — | — |
| 972-287 | SEAGOVILLE | 9533 | — | — |
| 972-288 | DALLAS | 9533 | — | — |
| 972-289 | DALLAS | 9533 | — | — |
| 972-290 | DALLAS | 9533 | — | Yes |
| 972-291 | CEDAR HILL | 9533 | — | — |
| 972-292 | FRISCO | 9533 | — | Yes |
| 972-293 | CEDAR HILL | 9533 | — | — |
| 972-294 | FRISCO | 9533 | — | Yes |
| 972-295 | PLANO | 4344 | — | Yes |
| 972-296 | DALLAS | 9533 | — | — |
| 972-297 | GRANDPRARI | 6630 | — | — |
| 972-298 | DALLAS | 9533 | — | — |
| 972-299 | CEDAR HILL | 9533 | — | 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.