LEVEL 3 OF TELECOM OF TEXAS, LLC - TX
21 prefixes in 210 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 210-221 | SANANTONIO | 8434 | 2003-11-06 | — |
| 210-237 | SANANTONIO | 8434 | 2004-06-24 | Yes |
| 210-249 | SANANTONIO | 8434 | — | Yes |
| 210-268 | SANANTONIO | 8434 | — | Yes |
| 210-292 | SANANTONIO | 8434 | — | — |
| 210-295 | SANANTONIO | 8434 | 2003-11-06 | — |
| 210-312 | SANANTONIO | 8434 | 2007-01-24 | Yes |
| 210-395 | SANANTONIO | 8434 | — | Yes |
| 210-466 | SANANTONIO | 8434 | 2010-01-28 | Yes |
| 210-477 | SANANTONIO | 8434 | — | — |
| 210-539 | SANANTONIO | 8434 | 2010-08-24 | Yes |
| 210-546 | SANANTONIO | 8434 | — | — |
| 210-572 | SANANTONIO | 8434 | — | — |
| 210-581 | SANANTONIO | 8434 | — | — |
| 210-582 | SANANTONIO | 8434 | — | — |
| 210-631 | SANANTONIO | 8434 | 2011-06-01 | Yes |
| 210-671 | SANANTONIO | 8434 | — | — |
| 210-808 | SANANTONIO | 8434 | 2007-09-18 | Yes |
| 210-855 | SANANTONIO | 8434 | 2004-12-13 | Yes |
| 210-916 | SANANTONIO | 8434 | — | — |
| 210-925 | SANANTONIO | 8434 | — | — |
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.