COMCAST IP PHONE, LLC
21 prefixes in 720 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 720-287 | DENVER | 318J | 2010-04-30 | Yes |
| 720-324 | DENVER | 318J | — | Yes |
| 720-328 | DENVER | 318J | 2009-10-20 | Yes |
| 720-381 | DENVER | 318J | 2005-08-03 | Yes |
| 720-410 | DENVER | 318J | 2014-06-27 | Yes |
| 720-485 | DENVER | 318J | 2014-05-08 | Yes |
| 720-502 | DENVER | 318J | 2012-11-15 | Yes |
| 720-510 | DENVER | 318J | 2017-06-13 | Yes |
| 720-512 | DENVER | 318J | 2016-05-09 | Yes |
| 720-531 | DENVER | 318J | 2016-08-16 | Yes |
| 720-638 | DENVER | 318J | 2013-01-17 | Yes |
| 720-667 | DENVER | 318J | 2017-11-21 | Yes |
| 720-674 | DENVER | 318J | 2020-02-20 | Yes |
| 720-726 | DENVER | 318J | 2013-10-29 | Yes |
| 720-815 | LONGMONT | 318J | 2017-09-01 | Yes |
| 720-817 | STRASBURG | 318J | 2021-09-24 | Yes |
| 720-826 | DENVER | 318J | 2019-07-30 | Yes |
| 720-906 | BYERS | 318J | 2021-12-03 | Yes |
| 720-925 | DENVER | 318J | 2015-12-18 | Yes |
| 720-997 | BENNETT | 318J | 2022-03-25 | Yes |
| 720-998 | DENVER | 318J | 2006-12-01 | 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.