TELEPORT COMMUNICATIONS AMERICA, LLC - CO
31 prefixes in 720 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 720-216 | DENVER | 7378 | 2001-01-29 | Yes |
| 720-239 | DENVER | 7378 | — | Yes |
| 720-258 | DENVER | 7378 | — | Yes |
| 720-269 | DENVER | 7378 | — | Yes |
| 720-286 | DENVER | 7378 | 2002-04-30 | Yes |
| 720-302 | DENVER | 7378 | — | Yes |
| 720-310 | ALLNSPKLYN | 7378 | — | Yes |
| 720-342 | DENVER | 7378 | 2009-04-15 | Yes |
| 720-349 | DENVER | 7378 | 2011-03-28 | Yes |
| 720-356 | DENVER | 7378 | — | Yes |
| 720-472 | DENVER | 7378 | — | Yes |
| 720-475 | DENVER | 7378 | — | Yes |
| 720-479 | DENVER | 7378 | — | Yes |
| 720-514 | DENVER | 7378 | — | Yes |
| 720-519 | DENVER | 7378 | — | Yes |
| 720-532 | DENVER | 7378 | — | Yes |
| 720-533 | DENVER | 7378 | — | — |
| 720-535 | DENVER | 7378 | — | Yes |
| 720-559 | DENVER | 7378 | — | — |
| 720-572 | DENVER | 7378 | 2016-12-14 | Yes |
| 720-587 | DENVER | 7378 | — | Yes |
| 720-596 | DENVER | 7378 | — | Yes |
| 720-624 | DENVER | 7378 | — | Yes |
| 720-632 | DENVER | 7378 | 2018-01-11 | Yes |
| 720-701 | DENVER | 7378 | 2019-04-16 | Yes |
| 720-785 | DENVER | 7378 | — | Yes |
| 720-831 | DENVER | 7378 | 2021-10-25 | Yes |
| 720-834 | DENVER | 7378 | — | — |
| 720-920 | DENVER | 7378 | — | Yes |
| 720-949 | DENVER | 7378 | — | Yes |
| 720-992 | DENVER | 7378 | 2018-01-11 | 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.