T-MOBILE USA, INC.
66 prefixes in 872 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 872-200 | CHICGOZN06 | 6529 | 2023-07-26 | Yes |
| 872-209 | CHICGOZN08 | 6529 | 2012-09-28 | Yes |
| 872-210 | CHICGOZN04 | 6529 | 2013-04-18 | Yes |
| 872-212 | CHICGOZN07 | 6529 | 2011-07-08 | Yes |
| 872-214 | CHICGOZN06 | 6529 | 2013-04-18 | Yes |
| 872-218 | CHICGOZN06 | 6529 | 2013-05-24 | Yes |
| 872-220 | CHICGOZN03 | 6529 | 2011-05-18 | Yes |
| 872-223 | CHICGOZN03 | 6529 | 2011-04-21 | Yes |
| 872-226 | CHICGOZN03 | 6529 | 2011-07-19 | Yes |
| 872-227 | CHICGOZN03 | 6529 | 2013-06-26 | Yes |
| 872-229 | CHICGOZN08 | 6529 | 2014-03-17 | Yes |
| 872-230 | CHICGOZN03 | 6529 | 2011-06-13 | Yes |
| 872-232 | CHICGOZN03 | 6529 | 2011-06-15 | Yes |
| 872-233 | CHICGOZN04 | 6529 | 2011-06-20 | Yes |
| 872-234 | CHICGOZN10 | 6529 | 2013-06-27 | Yes |
| 872-235 | CHICGOZN02 | 6529 | 2013-06-26 | Yes |
| 872-236 | CHICGOZN08 | 6529 | 2013-06-28 | Yes |
| 872-237 | CHICGOZN03 | 6529 | 2011-07-27 | Yes |
| 872-238 | CHICGOZN08 | 6529 | 2013-06-28 | Yes |
| 872-239 | CHICGOZN06 | 6529 | 2013-06-03 | Yes |
| 872-243 | CHICGOZN03 | 6529 | 2013-06-26 | Yes |
| 872-251 | CHICGOZN08 | 6529 | 2014-03-17 | Yes |
| 872-252 | CHICGOZN08 | 6529 | 2014-03-17 | Yes |
| 872-254 | CHICGOZN08 | 6529 | 2014-05-15 | Yes |
| 872-258 | CHICGOZN01 | 6529 | 2020-01-08 | Yes |
| 872-287 | CHICGOZN03 | 6529 | 2021-08-03 | Yes |
| 872-291 | CHICGOZN08 | 6529 | 2021-09-29 | Yes |
| 872-292 | CHICGOZN10 | 6529 | 2021-09-29 | Yes |
| 872-293 | CHICGOZN03 | 6529 | 2021-10-11 | Yes |
| 872-294 | CHICGOZN04 | 6529 | 2021-10-11 | Yes |
| 872-297 | CHICGOZN07 | 6529 | 2021-11-04 | Yes |
| 872-300 | CHICGOZN07 | 6529 | 2023-08-08 | Yes |
| 872-301 | CHICGOZN10 | 6529 | 2013-04-18 | Yes |
| 872-303 | CHICGOZN07 | 6529 | 2013-05-24 | Yes |
| 872-305 | CHICGOZN03 | 6529 | 2013-05-24 | Yes |
| 872-307 | CHICGOZN08 | 6529 | 2014-05-15 | Yes |
| 872-308 | CHICGOZN06 | 6529 | 2015-05-22 | Yes |
| 872-310 | CHICGOZN02 | 6529 | 2016-07-12 | Yes |
| 872-315 | CHICGOZN04 | 6529 | 2015-07-21 | Yes |
| 872-319 | CHICGOZN04 | 6529 | 2022-09-15 | Yes |
| 872-325 | CHICGOZN02 | 6529 | 2022-11-21 | Yes |
| 872-333 | CHICGOZN03 | 6529 | 2010-08-20 | Yes |
| 872-338 | CHICGOZN04 | 6529 | 2023-08-25 | Yes |
| 872-350 | CHICGOZN06 | 6529 | 2024-01-04 | Yes |
| 872-360 | CHICGOZN09 | 6529 | 2024-03-01 | Yes |
| 872-371 | CHICGOZN09 | 6529 | 2024-06-04 | Yes |
| 872-377 | CHICGOZN09 | 6529 | 2024-09-10 | Yes |
| 872-384 | CHICGOZN02 | 6529 | 2025-05-19 | Yes |
| 872-401 | CHICGOZN07 | 6529 | — | Yes |
| 872-484 | CHICGOZN03 | 6529 | 2011-06-30 | Yes |
| 872-600 | CHICGOZN03 | 6529 | 2011-03-14 | Yes |
| 872-701 | CHICGOZN08 | 6529 | 2013-10-07 | Yes |
| 872-702 | CHICGOZN10 | 6529 | 2013-02-15 | Yes |
| 872-703 | CHICGOZN10 | 6529 | 2013-10-07 | Yes |
| 872-706 | CHICGOZN08 | 6529 | 2014-03-17 | Yes |
| 872-707 | CHICGOZN08 | 6529 | 2014-03-17 | Yes |
| 872-724 | CHICGOZN07 | 6529 | 2015-10-23 | Yes |
| 872-731 | CHICGOZN07 | 6529 | 2014-10-13 | Yes |
| 872-757 | CHICGOZN07 | 6529 | 2016-07-13 | Yes |
| 872-800 | CHICGOZN03 | 6529 | 2011-05-02 | Yes |
| 872-801 | CHICGOZN08 | 6529 | 2013-05-01 | Yes |
| 872-802 | CHICGOZN04 | 6529 | 2013-09-30 | Yes |
| 872-803 | CHICGOZN10 | 6529 | 2013-05-01 | Yes |
| 872-806 | CHICGOZN02 | 6529 | 2013-09-30 | Yes |
| 872-808 | CHICGOZN04 | 6529 | 2013-09-30 | Yes |
| 872-904 | CHICGOZN07 | 6529 | 2015-07-21 | 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.