TELEPORT COMMUNICATIONS AMERICA, LLC - TX
22 prefixes in 346 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 346-252 | HSTNSUBURB | 7138 | 2016-01-05 | Yes |
| 346-259 | BAYTOWN | 7138 | 2017-03-16 | Yes |
| 346-272 | HOUSTON | 7138 | 2017-09-20 | Yes |
| 346-277 | SATSUMA | 7138 | 2017-10-03 | Yes |
| 346-328 | SPRING | 7138 | 2018-03-23 | Yes |
| 346-365 | BARKER | 7138 | 2018-09-21 | Yes |
| 346-376 | SATSUMA | 7138 | 2019-01-08 | Yes |
| 346-378 | HSTNSUBURB | 7138 | 2019-01-18 | Yes |
| 346-384 | APOLLO | 7138 | 2019-03-21 | Yes |
| 346-397 | HOUSTON | 7138 | 2019-08-08 | Yes |
| 346-405 | HOUSTON | 7138 | — | Yes |
| 346-416 | TOMBALL | 7138 | 2020-01-08 | Yes |
| 346-437 | HSTNSUBURB | 7138 | 2020-09-11 | Yes |
| 346-451 | HOUSTON | 7138 | 2020-11-17 | Yes |
| 346-481 | RICHMNRNBG | 7138 | 2021-03-19 | Yes |
| 346-609 | BAMMEL | 7138 | 2022-12-13 | Yes |
| 346-665 | HOUSTON | 7138 | 2023-04-06 | Yes |
| 346-762 | RICHMNRNBG | 7138 | 2016-07-18 | Yes |
| 346-815 | APOLLO | 7138 | 2015-07-24 | Yes |
| 346-845 | HOUSTON | 7138 | 2024-10-17 | Yes |
| 346-875 | HOUSTON | 7138 | 2025-06-02 | Yes |
| 346-997 | SATSUMA | 7138 | 2026-07-21 | 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.