T-MOBILE USA, INC.
132 prefixes in 720 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 720-203 | DENVER | 6529 | 2001-01-29 | Yes |
| 720-205 | DENVER | 6529 | — | Yes |
| 720-209 | DENVER | 6529 | — | Yes |
| 720-217 | DENVER | 6529 | — | — |
| 720-218 | DENVER | 6529 | — | Yes |
| 720-220 | DENVER | 6529 | — | — |
| 720-231 | DENVER | 6529 | — | — |
| 720-232 | DENVER | 6529 | — | Yes |
| 720-233 | DENVER | 6529 | — | Yes |
| 720-234 | DENVER | 6529 | — | Yes |
| 720-235 | DENVER | 6529 | — | Yes |
| 720-236 | DENVER | 6529 | — | Yes |
| 720-238 | DENVER | 6529 | — | Yes |
| 720-252 | DENVER | 6529 | — | Yes |
| 720-253 | DENVER | 6529 | — | Yes |
| 720-254 | DENVER | 6529 | — | Yes |
| 720-255 | DENVER | 6529 | — | Yes |
| 720-256 | DENVER | 6529 | — | Yes |
| 720-260 | DENVER | 6529 | — | Yes |
| 720-261 | DENVER | 6529 | — | — |
| 720-270 | DENVER | 6529 | — | Yes |
| 720-271 | DENVER | 6529 | — | Yes |
| 720-280 | DENVER | 6529 | — | — |
| 720-290 | DENVER | 6529 | — | Yes |
| 720-291 | DENVER | 6529 | — | Yes |
| 720-299 | DENVER | 6529 | — | — |
| 720-300 | DENVER | 6529 | — | Yes |
| 720-301 | DENVER | 6529 | — | Yes |
| 720-312 | DENVER | 6529 | 2001-02-20 | Yes |
| 720-313 | DENVER | 6529 | 2001-02-20 | Yes |
| 720-314 | DENVER | 6529 | 2001-02-20 | Yes |
| 720-317 | DENVER | 6529 | — | Yes |
| 720-318 | DENVER | 6529 | — | Yes |
| 720-319 | DENVER | 6529 | 2001-04-19 | Yes |
| 720-323 | DENVER | 6529 | — | — |
| 720-325 | DENVER | 6529 | 2010-08-06 | Yes |
| 720-331 | DENVER | 6529 | — | Yes |
| 720-333 | DENVER | 6529 | 2001-05-14 | Yes |
| 720-334 | DENVER | 6529 | 2001-05-14 | Yes |
| 720-335 | DENVER | 6529 | 2001-05-14 | Yes |
| 720-339 | DENVER | 6529 | — | Yes |
| 720-341 | DENVER | 6529 | — | — |
| 720-350 | DENVER | 6529 | — | Yes |
| 720-351 | DENVER | 6529 | — | Yes |
| 720-352 | DENVER | 6529 | — | — |
| 720-353 | DENVER | 6529 | — | Yes |
| 720-371 | DENVER | 6529 | — | Yes |
| 720-372 | DENVER | 6529 | 2013-09-09 | Yes |
| 720-373 | DENVER | 6529 | — | Yes |
| 720-380 | DENVER | 6529 | 2013-02-01 | Yes |
| 720-394 | DENVER | 6529 | — | — |
| 720-400 | DENVER | 6529 | 2010-10-28 | Yes |
| 720-401 | DENVER | 6529 | 2009-01-13 | Yes |
| 720-419 | DENVER | 6529 | 2016-03-16 | Yes |
| 720-421 | DENVER | 6529 | 2009-03-20 | Yes |
| 720-427 | DENVER | 6529 | 2002-02-04 | — |
| 720-451 | DENVER | 6529 | 2013-10-25 | Yes |
| 720-453 | LONGMONT | 6529 | — | Yes |
| 720-474 | DENVER | 6529 | 2011-10-31 | Yes |
| 720-490 | DENVER | 6529 | — | Yes |
| 720-492 | DENVER | 6529 | 2014-08-25 | Yes |
| 720-499 | DENVER | 6529 | 2011-08-09 | Yes |
| 720-525 | DENVER | 6529 | 2013-04-02 | Yes |
| 720-546 | DENVER | 6529 | 2016-08-23 | Yes |
| 720-581 | DENVER | 6529 | — | Yes |
| 720-585 | DENVER | 6529 | 2012-11-02 | Yes |
| 720-589 | DENVER | 6529 | 2013-04-30 | Yes |
| 720-592 | DENVER | 6529 | 2016-12-08 | Yes |
| 720-602 | DENVER | 6529 | 2017-07-31 | Yes |
| 720-612 | DENVER | 6529 | 2011-07-22 | Yes |
| 720-641 | DENVER | 6529 | — | Yes |
| 720-645 | DENVER | 6529 | 2014-03-05 | Yes |
| 720-655 | DENVER | 6529 | 2021-08-30 | Yes |
| 720-662 | DENVER | 6529 | 2014-09-30 | Yes |
| 720-680 | LONGMONT | 6529 | 2020-06-04 | Yes |
| 720-681 | DENVER | 6529 | 2019-04-09 | Yes |
| 720-687 | DENVER | 6529 | 2019-11-19 | Yes |
| 720-691 | DENVER | 6529 | 2019-06-25 | Yes |
| 720-694 | DENVER | 6529 | 2020-03-24 | Yes |
| 720-704 | DENVER | 6529 | 2020-03-31 | Yes |
| 720-725 | DENVER | 6529 | 2015-06-10 | Yes |
| 720-732 | DENVER | 6529 | — | Yes |
| 720-742 | DENVER | 6529 | 2020-09-11 | Yes |
| 720-750 | DENVER | 6529 | 2019-01-28 | Yes |
| 720-751 | DENVER | 6529 | 2020-01-09 | Yes |
| 720-755 | DENVER | 6529 | 2015-09-01 | Yes |
| 720-756 | DENVER | 6529 | 2020-11-24 | Yes |
| 720-757 | DENVER | 6529 | 2014-09-30 | Yes |
| 720-761 | DENVER | 6529 | — | Yes |
| 720-767 | DENVER | 6529 | 2014-07-14 | Yes |
| 720-771 | DENVER | 6529 | — | — |
| 720-781 | LONGMONT | 6529 | 2020-11-24 | Yes |
| 720-786 | DENVER | 6529 | 2022-08-12 | Yes |
| 720-803 | DENVER | 6529 | 2021-01-14 | Yes |
| 720-804 | LONGMONT | 6529 | 2021-03-05 | Yes |
| 720-819 | DENVER | 6529 | 2018-03-09 | Yes |
| 720-827 | DENVER | 6529 | 2018-03-22 | Yes |
| 720-828 | DENVER | 6529 | 2018-11-12 | Yes |
| 720-837 | DENVER | 6529 | — | Yes |
| 720-838 | DENVER | 6529 | — | 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.