All assignees
799 prefixes in 713 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 713-200 | HOUSTON | 6630 | — | — |
| 713-201 | HOUSTON | 6506 | — | — |
| 713-202 | HOUSTON | 6506 | — | — |
| 713-203 | HOUSTON | 6506 | — | — |
| 713-204 | HOUSTON | 6506 | — | — |
| 713-205 | HOUSTON | 6506 | — | — |
| 713-206 | HOUSTON | 6506 | — | — |
| 713-207 | HOUSTON | 9533 | — | — |
| 713-208 | HOUSTON | 6506 | — | — |
| 713-209 | HOUSTON | 9533 | — | — |
| 713-210 | HOUSTON | 9533 | — | Yes |
| 713-211 | XXXXXXXXXX | MULT | — | — |
| 713-212 | HOUSTON | 9533 | — | Yes |
| 713-213 | HOUSTON | 6534 | — | — |
| 713-214 | HOUSTON | 9533 | — | — |
| 713-215 | HOUSTON | 9533 | — | — |
| 713-216 | HOUSTON | 9533 | — | — |
| 713-217 | HOUSTON | 9533 | — | — |
| 713-218 | HOUSTON | 9533 | — | — |
| 713-219 | HOUSTON | 9533 | — | Yes |
| 713-220 | HOUSTON | 9533 | — | — |
| 713-221 | HOUSTON | 9533 | — | Yes |
| 713-222 | HOUSTON | 9533 | — | — |
| 713-223 | HOUSTON | 9533 | — | — |
| 713-224 | HOUSTON | 9533 | — | — |
| 713-225 | HOUSTON | 9533 | — | — |
| 713-226 | HOUSTON | 9533 | — | Yes |
| 713-227 | HOUSTON | 9533 | — | — |
| 713-228 | HOUSTON | 9533 | — | Yes |
| 713-229 | HOUSTON | 9533 | — | — |
| 713-230 | HOUSTON | 9533 | — | Yes |
| 713-231 | HOUSTON | 6701 | — | Yes |
| 713-232 | HOUSTON | 9533 | — | Yes |
| 713-233 | HOUSTON | 9533 | — | — |
| 713-234 | SUGAR LAND | 7726 | 2007-09-06 | Yes |
| 713-235 | HOUSTON | 9533 | — | Yes |
| 713-236 | HOUSTON | 9533 | — | — |
| 713-237 | HOUSTON | 9533 | — | — |
| 713-238 | HOUSTON | 9533 | — | — |
| 713-239 | HOUSTON | 6114 | 2011-08-01 | Yes |
| 713-240 | HOUSTON | 6701 | — | — |
| 713-241 | HOUSTON | 7239 | — | — |
| 713-242 | HOUSTON | 9533 | — | Yes |
| 713-243 | HOUSTON | 9533 | — | — |
| 713-244 | HOUSTON | 9533 | — | Yes |
| 713-245 | HOUSTON | 9533 | — | Yes |
| 713-246 | DEER PARK | 9533 | — | — |
| 713-247 | HOUSTON | 9533 | — | Yes |
| 713-248 | HOUSTON | 6506 | — | — |
| 713-249 | HOUSTON | 6506 | — | — |
| 713-250 | HOUSTON | 9533 | — | Yes |
| 713-251 | HOUSTON | 9533 | 2008-07-02 | Yes |
| 713-252 | HOUSTON | 6506 | — | — |
| 713-253 | HOUSTON | 6506 | — | — |
| 713-254 | HOUSTON | 6506 | — | — |
| 713-255 | HOUSTON | 903C | — | — |
| 713-256 | HOUSTON | 6701 | — | Yes |
| 713-257 | HOUSTON | 9533 | — | Yes |
| 713-258 | HOUSTON | 7229 | 2007-11-27 | Yes |
| 713-259 | HOUSTON | 9533 | — | Yes |
| 713-260 | HOUSTON | 9533 | — | — |
| 713-261 | HOUSTON | 6701 | 2004-03-10 | Yes |
| 713-262 | HOUSTON | 9533 | — | Yes |
| 713-263 | HOUSTON | 9533 | — | Yes |
| 713-264 | HOUSTON | 9533 | 2001-04-19 | Yes |
| 713-265 | HOUSTON | 9533 | — | Yes |
| 713-266 | HOUSTON | 9533 | — | — |
| 713-267 | HOUSTON | 9533 | — | — |
| 713-268 | HOUSTON | 9533 | — | — |
| 713-269 | HOUSTON | 6701 | — | — |
| 713-270 | HOUSTON | 9533 | — | — |
| 713-271 | HOUSTON | 9533 | — | — |
| 713-272 | HOUSTON | 9533 | — | — |
| 713-273 | HOUSTON | 9533 | — | — |
| 713-274 | HOUSTON | 9533 | 2010-07-19 | Yes |
| 713-275 | HOUSTON | 903C | — | — |
| 713-276 | HOUSTON | 9533 | — | — |
| 713-277 | HOUSTON | 9533 | — | Yes |
| 713-278 | HOUSTON | 9533 | — | — |
| 713-279 | HOUSTON | 6630 | — | — |
| 713-280 | HSTNSUBURB | 7239 | — | Yes |
| 713-281 | RICHMNRNBG | 6506 | 2022-06-15 | Yes |
| 713-282 | CLEVELAND | 6701 | 2023-10-04 | Yes |
| 713-283 | HOUSTON | 9533 | — | Yes |
| 713-284 | HOUSTON | 9533 | — | — |
| 713-285 | HOUSTON | 9533 | — | — |
| 713-286 | HOUSTON | 9533 | — | — |
| 713-287 | HOUSTON | 9533 | — | Yes |
| 713-288 | HOUSTON | 6630 | — | — |
| 713-289 | HOUSTON | 9533 | — | Yes |
| 713-290 | HOUSTON | 9533 | — | — |
| 713-291 | HOUSTON | 6701 | — | — |
| 713-292 | HOUSTON | 7239 | — | Yes |
| 713-293 | HOUSTON | 9533 | — | Yes |
| 713-294 | HOUSTON | 6534 | — | — |
| 713-295 | HOUSTON | 9533 | — | Yes |
| 713-296 | HOUSTON | 9533 | — | Yes |
| 713-297 | HOUSTON | 9533 | — | Yes |
| 713-298 | HOUSTON | 6701 | — | — |
| 713-299 | HOUSTON | 6506 | — | — |
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.