All assignees
753 prefixes in 956 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 956-200 | HARLINGEN | 6534 | 2007-01-04 | Yes |
| 956-201 | MCALLEN | 939H | 2023-12-21 | Yes |
| 956-202 | HARLINGEN | 6534 | — | Yes |
| 956-203 | BROWNSVL | 6506 | 2006-11-02 | Yes |
| 956-204 | BROWNSVL | 6534 | 2006-12-19 | Yes |
| 956-205 | MISSION | 9533 | 2004-08-26 | Yes |
| 956-206 | LAREDO | 5562 | — | Yes |
| 956-207 | EDINBURG | 4290 | 2003-01-21 | Yes |
| 956-208 | ROMA | 4290 | 2002-09-25 | Yes |
| 956-209 | MISSION | 4290 | 2007-01-12 | Yes |
| 956-210 | BROWNSVL | 883K | 2026-06-08 | Yes |
| 956-211 | XXXXXXXXXX | MULT | — | — |
| 956-212 | MCALLEN | 4290 | 2002-12-17 | Yes |
| 956-213 | MCALLEN | 4866 | 2003-04-17 | — |
| 956-214 | BROWNSVL | 4866 | 2003-04-17 | — |
| 956-215 | MCALLEN | 679E | 2012-07-20 | Yes |
| 956-216 | HARLINGEN | 4866 | 2003-04-17 | — |
| 956-217 | MCALLEN | 9533 | 2006-11-07 | Yes |
| 956-218 | LAREDO | 4866 | 2003-04-17 | — |
| 956-219 | EDINBURG | 4290 | 2007-02-28 | Yes |
| 956-220 | LAREDO | 4290 | 2003-02-19 | — |
| 956-221 | MCALLEN | 6506 | — | Yes |
| 956-222 | MISSION | 5562 | 2003-04-08 | Yes |
| 956-223 | PHARR | 793K | 2003-12-19 | Yes |
| 956-224 | ROMA | 6534 | 2004-04-30 | Yes |
| 956-225 | MCALLEN | 4290 | — | Yes |
| 956-226 | HARLINGEN | 4290 | — | Yes |
| 956-227 | MCALLEN | 4290 | 2001-05-22 | Yes |
| 956-228 | HARLINGEN | 9533 | 2001-07-10 | — |
| 956-229 | LAREDO | 6534 | 2001-06-25 | Yes |
| 956-230 | HARLINGEN | 793K | 2002-08-27 | Yes |
| 956-231 | LAREDO | 7670 | — | Yes |
| 956-232 | RAYMONDVL | 5562 | 2002-06-05 | Yes |
| 956-233 | LOSFRESNOS | 9533 | — | Yes |
| 956-234 | SAN BENITO | 4290 | 2007-01-16 | Yes |
| 956-235 | LAREDO | 4290 | 2001-09-10 | Yes |
| 956-236 | LAREDO | 6506 | — | Yes |
| 956-237 | LAREDO | 4290 | — | Yes |
| 956-238 | LOSFRESNOS | 6506 | 2003-01-30 | Yes |
| 956-239 | EDINBURG | 4290 | 2001-04-12 | Yes |
| 956-240 | MISSION | 4290 | 2002-08-12 | — |
| 956-241 | SAN BENITO | 4290 | 2002-08-12 | Yes |
| 956-242 | LAREDO | 6114 | 2002-03-29 | Yes |
| 956-243 | BROWNSVL | 7421 | 2002-10-09 | Yes |
| 956-244 | HARLINGEN | 6534 | — | Yes |
| 956-245 | HARLINGEN | 6534 | — | — |
| 956-246 | WESLACO | 6114 | 2003-04-29 | Yes |
| 956-247 | SAN BENITO | 4290 | 2007-02-01 | Yes |
| 956-248 | SANPERLITA | 2159 | — | Yes |
| 956-249 | MCALLEN | 6506 | 2003-04-14 | Yes |
| 956-250 | EDINBURG | 6534 | 2011-07-28 | Yes |
| 956-251 | LAREDO | 4290 | — | Yes |
| 956-252 | EDINBURG | 6534 | 2012-09-26 | Yes |
| 956-253 | ZAPATA | 903C | — | — |
| 956-254 | LOSFRESNOS | 9533 | 2007-11-29 | Yes |
| 956-255 | EDCOUCH | 6114 | — | Yes |
| 956-256 | RIGRANDECY | 6534 | 2008-05-27 | Yes |
| 956-257 | RIGRANDECY | 6534 | 2011-05-27 | Yes |
| 956-258 | PHARR | 5562 | 2013-04-27 | Yes |
| 956-259 | EDINBURG | 4866 | 2003-06-02 | — |
| 956-260 | MERCEDES | 4866 | 2003-06-02 | — |
| 956-261 | WESLACO | 6534 | 2011-02-22 | Yes |
| 956-262 | EDCOUCH | 9533 | — | — |
| 956-263 | RIGRANDECY | 5562 | 2003-02-11 | Yes |
| 956-264 | HARLINGEN | 7229 | 2003-07-23 | Yes |
| 956-265 | ZAPATA | 4290 | 2003-04-21 | Yes |
| 956-266 | BROWNSVL | 4290 | 2002-03-25 | — |
| 956-267 | LAREDO | 6534 | 2011-02-23 | Yes |
| 956-268 | MCALLEN | 6630 | — | — |
| 956-269 | LAREDO | 004F | 2012-10-29 | Yes |
| 956-270 | EDINBURG | 4290 | 2010-12-29 | Yes |
| 956-271 | MISSION | 6114 | 2008-05-12 | Yes |
| 956-272 | WESLACO | 6534 | 2008-01-24 | Yes |
| 956-273 | LAREDO | 9533 | 2010-11-24 | Yes |
| 956-274 | DONNA | 516C | 2010-09-17 | Yes |
| 956-275 | HARLINGEN | 903C | 2017-04-07 | Yes |
| 956-276 | SAN BENITO | 9533 | 2001-06-25 | Yes |
| 956-277 | LA FERIA | 793K | 2002-10-14 | Yes |
| 956-278 | MCALLEN | 7229 | — | Yes |
| 956-279 | EDINBURG | 6534 | — | — |
| 956-280 | BROWNSVL | 6534 | 2009-11-30 | Yes |
| 956-281 | HARLINGEN | 6534 | — | Yes |
| 956-282 | DOLORES | 6534 | 2015-04-24 | Yes |
| 956-283 | PHARR | 9533 | — | Yes |
| 956-284 | LAREDO | 4290 | — | Yes |
| 956-285 | LAREDO | 6534 | — | Yes |
| 956-286 | LAREDO | 6534 | — | — |
| 956-287 | EDINBURG | 9533 | — | Yes |
| 956-288 | EDINBURG | 6630 | 2001-05-07 | — |
| 956-289 | EDINBURG | 9533 | — | Yes |
| 956-290 | LAREDO | 6534 | 2011-01-03 | Yes |
| 956-291 | HARLINGEN | 9533 | — | Yes |
| 956-292 | EDINBURG | 9533 | — | Yes |
| 956-293 | BROWNSVL | 4290 | 2009-04-16 | Yes |
| 956-294 | MERCEDES | 7138 | 2010-01-11 | Yes |
| 956-295 | BROWNSVL | 6534 | 2011-02-22 | Yes |
| 956-296 | BROWNSVL | 9533 | 2014-06-30 | Yes |
| 956-297 | ROMA | 776A | 2017-04-14 | Yes |
| 956-298 | ROMA | 6506 | 2003-12-30 | — |
| 956-299 | PORTISABEL | 4290 | 2002-03-25 | 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.