TWC IP ENABLED SERVICES, LLC
19 prefixes in 956 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 956-223 | PHARR | 793K | 2003-12-19 | Yes |
| 956-230 | HARLINGEN | 793K | 2002-08-27 | Yes |
| 956-277 | LA FERIA | 793K | 2002-10-14 | Yes |
| 956-378 | EDINBURG | 793K | 2013-05-28 | Yes |
| 956-441 | LAREDO | 793K | 2015-09-22 | Yes |
| 956-496 | HARLINGEN | 793K | — | Yes |
| 956-545 | BROWNSVL | 793K | — | Yes |
| 956-568 | LAREDO | 793K | — | — |
| 956-591 | MISSION | 793K | 2020-09-04 | Yes |
| 956-601 | PHARR | 793K | 2014-11-20 | Yes |
| 956-602 | LAREDO | 793K | 2014-10-22 | Yes |
| 956-615 | LAREDO | 793K | 2015-07-21 | Yes |
| 956-621 | BROWNSVL | 793K | — | Yes |
| 956-627 | MCALLEN | 793K | — | Yes |
| 956-800 | MCALLEN | 793K | 2010-11-24 | Yes |
| 956-803 | MCALLEN | 793K | 2015-08-27 | Yes |
| 956-854 | WESLACO | 793K | — | Yes |
| 956-903 | MERCEDES | 793K | 2004-09-30 | Yes |
| 956-997 | MISSION | 793K | 2015-10-05 | 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.