LEVEL 3 OF TELECOM OF TEXAS, LLC - TX
45 prefixes in 512 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 512-225 | AUSTIN | 7516 | — | Yes |
| 512-279 | AUSTIN | 7516 | — | — |
| 512-313 | AUSTIN | 7516 | 2006-12-22 | Yes |
| 512-334 | AUSTIN | 7516 | — | Yes |
| 512-439 | AUSTIN | 7516 | — | Yes |
| 512-485 | AUSTIN | 7516 | — | — |
| 512-493 | AUSTIN | 7516 | — | — |
| 512-498 | AUSTIN | 7516 | — | — |
| 512-513 | AUSTIN | 7516 | 2008-09-02 | Yes |
| 512-519 | AUSTIN | 7516 | — | Yes |
| 512-530 | AUSTIN | 7516 | — | — |
| 512-531 | AUSTIN | 7516 | — | Yes |
| 512-532 | AUSTIN | 7516 | — | — |
| 512-533 | AUSTIN | 7516 | — | Yes |
| 512-544 | AUSTIN | 7516 | 2005-03-01 | Yes |
| 512-570 | AUSTIN | 7516 | 2008-05-30 | Yes |
| 512-579 | AUSTIN | 7516 | 2007-06-26 | Yes |
| 512-583 | AUSTIN | 7516 | — | — |
| 512-597 | AUSTIN | 7516 | — | Yes |
| 512-646 | AUSTIN | 7516 | — | Yes |
| 512-647 | AUSTIN | 7516 | — | Yes |
| 512-664 | AUSTIN | 7516 | 2004-11-04 | Yes |
| 512-681 | AUSTIN | 7516 | — | — |
| 512-682 | AUSTIN | 7516 | — | Yes |
| 512-683 | AUSTIN | 7516 | — | — |
| 512-684 | AUSTIN | 7516 | — | — |
| 512-685 | AUSTIN | 7516 | — | — |
| 512-713 | GEORGETOWN | 7516 | 2015-03-10 | Yes |
| 512-723 | AUSTIN | 7516 | — | — |
| 512-724 | AUSTIN | 7516 | — | — |
| 512-725 | AUSTIN | 7516 | — | — |
| 512-727 | AUSTIN | 7516 | 2004-12-13 | Yes |
| 512-728 | AUSTIN | 7516 | — | — |
| 512-744 | AUSTIN | 7516 | — | Yes |
| 512-747 | AUSTIN | 7516 | 2005-02-08 | Yes |
| 512-776 | AUSTIN | 7516 | 2005-03-23 | Yes |
| 512-780 | AUSTIN | 7516 | 2007-06-18 | Yes |
| 512-806 | AUSTIN | 7516 | 2014-10-21 | Yes |
| 512-816 | AUSTIN | 7516 | 2008-12-17 | Yes |
| 512-857 | AUSTIN | 7516 | — | — |
| 512-874 | AUSTIN | 7516 | — | — |
| 512-879 | AUSTIN | 7516 | — | Yes |
| 512-901 | AUSTIN | 7516 | — | — |
| 512-904 | AUSTIN | 7516 | 2006-08-22 | Yes |
| 512-946 | AUSTIN | 7516 | 2007-12-18 | 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.