TELEPORT COMMUNICATIONS AMERICA, LLC - DC
23 prefixes in 571 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 571-227 | WSNGTNZN08 | 7529 | — | — |
| 571-303 | WSNGTNZN08 | 7529 | 2007-02-23 | Yes |
| 571-354 | WSNGTNZN19 | 7529 | 2008-11-13 | Yes |
| 571-391 | WSNGTNZN19 | 7529 | 2018-06-08 | Yes |
| 571-476 | WSNGTNZN19 | 7529 | 2020-12-24 | Yes |
| 571-507 | WSNGTNZN17 | 7529 | 2021-04-27 | Yes |
| 571-566 | WSNGTNZN19 | 7529 | 2020-12-24 | Yes |
| 571-630 | WSNGTNZN17 | 7529 | 2024-02-26 | Yes |
| 571-637 | WSNGTNZN08 | 7529 | 2023-04-26 | Yes |
| 571-638 | HERNDON | 7529 | 2023-05-05 | Yes |
| 571-726 | WSNGTNZN08 | 7529 | 2025-05-05 | Yes |
| 571-757 | WSNGTNZN19 | 7529 | 2026-04-30 | Yes |
| 571-766 | WSNGTNZN17 | 7529 | 2007-09-04 | Yes |
| 571-801 | ENGLESIDE | 7529 | 2023-10-19 | Yes |
| 571-802 | ENGLESIDE | 7529 | 2023-10-19 | Yes |
| 571-803 | ENGLESIDE | 7529 | 2023-10-19 | Yes |
| 571-804 | ENGLESIDE | 7529 | 2023-10-19 | Yes |
| 571-805 | ENGLESIDE | 7529 | 2023-10-19 | Yes |
| 571-820 | ENGLESIDE | 7529 | 2023-10-19 | Yes |
| 571-821 | ENGLESIDE | 7529 | 2023-10-19 | Yes |
| 571-822 | ENGLESIDE | 7529 | 2023-10-19 | Yes |
| 571-823 | ENGLESIDE | 7529 | 2023-10-19 | Yes |
| 571-824 | ENGLESIDE | 7529 | 2023-10-19 | 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.