T-MOBILE USA, INC.
87 prefixes in 909 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 909-203 | CHINO | 6529 | 2007-01-19 | Yes |
| 909-206 | MENTONE | 6529 | 2007-02-24 | Yes |
| 909-244 | UPLAND | 6529 | 2007-03-23 | Yes |
| 909-268 | ONTARIO | 6529 | — | Yes |
| 909-272 | ARROWHEAD | 6529 | 2009-02-14 | Yes |
| 909-283 | REDLANDS | 6529 | 2010-09-21 | Yes |
| 909-314 | S BERNDINO | 6529 | 2015-08-05 | Yes |
| 909-319 | ONTARIO | 6529 | 2002-08-01 | — |
| 909-327 | S BERNDINO | 6529 | 2004-12-29 | Yes |
| 909-343 | ARROWHEAD | 6529 | 2011-09-30 | Yes |
| 909-344 | CLAREMONT | 6529 | 2012-10-02 | Yes |
| 909-362 | HIGHLAND | 6529 | — | Yes |
| 909-376 | ONTARIO | 6529 | — | Yes |
| 909-413 | CHINO | 6529 | 2016-05-12 | Yes |
| 909-437 | ONTARIO | 6529 | — | Yes |
| 909-441 | FONTANA | 6529 | 2014-03-21 | Yes |
| 909-442 | RIALTO | 6529 | 2016-11-02 | Yes |
| 909-462 | S BERNDINO | 6529 | — | Yes |
| 909-470 | ARROWHEAD | 6529 | 2018-01-08 | Yes |
| 909-485 | ARROWHEAD | 6529 | 2013-06-17 | Yes |
| 909-489 | ONTARIO | 6529 | — | Yes |
| 909-490 | ONTARIO | 6529 | 2016-06-17 | Yes |
| 909-496 | S BERNDINO | 6529 | — | Yes |
| 909-504 | CALIMESA | 6529 | 2021-05-21 | Yes |
| 909-506 | CLAREMONT | 6529 | 2016-07-25 | Yes |
| 909-516 | CHINO | 6529 | 2018-09-14 | Yes |
| 909-520 | S BERNDINO | 6529 | 2005-05-13 | Yes |
| 909-528 | MENTONE | 6529 | 2002-05-17 | Yes |
| 909-530 | ARROWHEAD | 6529 | 2016-11-21 | Yes |
| 909-534 | S BERNDINO | 6529 | — | Yes |
| 909-538 | POMONA | 6529 | 2005-07-29 | Yes |
| 909-541 | CLAREMONT | 6529 | 2014-08-18 | Yes |
| 909-550 | FONTANA | 6529 | 2016-06-28 | Yes |
| 909-561 | FONTANA | 6529 | 2004-05-10 | Yes |
| 909-567 | S BERNDINO | 6529 | 2006-03-17 | Yes |
| 909-582 | ARROWHEAD | 6529 | 2014-09-08 | Yes |
| 909-589 | CRESTLINE | 6529 | — | Yes |
| 909-601 | S BERNDINO | 6529 | 2016-05-24 | Yes |
| 909-642 | FONTANA | 6529 | 2014-09-22 | Yes |
| 909-656 | CLAREMONT | 6529 | 2014-12-23 | Yes |
| 909-662 | CHINO | 6529 | 2014-11-10 | Yes |
| 909-668 | CHINO | 6529 | 2024-03-26 | Yes |
| 909-671 | POMONA | 6529 | 2015-02-23 | Yes |
| 909-674 | REDLANDS | 6529 | 2014-11-21 | Yes |
| 909-681 | FONTANA | 6529 | 2015-03-13 | Yes |
| 909-682 | ARROWHEAD | 6529 | 2015-01-13 | Yes |
| 909-683 | MARSHALL | 6529 | 2015-04-01 | Yes |
| 909-684 | FONTANA | 6529 | 2005-03-30 | Yes |
| 909-686 | MENTONE | 6529 | 2015-05-01 | Yes |
| 909-687 | ONTARIO | 6529 | 2015-04-01 | Yes |
| 909-688 | FONTANA | 6529 | 2016-10-07 | Yes |
| 909-689 | ETIWANDA | 6529 | — | Yes |
| 909-696 | CHINO | 6529 | 2015-05-18 | Yes |
| 909-697 | FONTANA | 6529 | 2005-01-03 | Yes |
| 909-716 | POMONA | 6529 | 2019-02-27 | Yes |
| 909-721 | ONTARIO | 6529 | — | Yes |
| 909-727 | UPLAND | 6529 | 2015-09-11 | Yes |
| 909-734 | ARROWHEAD | 6529 | 2015-04-14 | Yes |
| 909-735 | REDLANDS | 6529 | 2015-06-11 | Yes |
| 909-741 | CLAREMONT | 6529 | 2015-09-09 | Yes |
| 909-743 | FONTANA | 6529 | 2004-12-16 | Yes |
| 909-745 | RIALTO | 6529 | 2015-09-16 | Yes |
| 909-751 | S BERNDINO | 6529 | 2016-09-26 | Yes |
| 909-761 | S BERNDINO | 6529 | 2017-01-17 | Yes |
| 909-763 | S BERNDINO | 6529 | 2006-03-16 | Yes |
| 909-768 | CALIMESA | 6529 | 2017-03-13 | Yes |
| 909-772 | ONTARIO | 6529 | — | Yes |
| 909-780 | MARSHALL | 6529 | 2019-07-16 | Yes |
| 909-805 | MENTONE | 6529 | — | Yes |
| 909-809 | REDLANDS | 6529 | 2006-01-10 | Yes |
| 909-817 | POMONA | 6529 | 2020-07-28 | Yes |
| 909-832 | S BERNDINO | 6529 | 2020-07-28 | Yes |
| 909-840 | CHINO | 6529 | 2024-06-21 | Yes |
| 909-845 | CALIMESA | 6529 | 2020-08-21 | Yes |
| 909-846 | ARROWHEAD | 6529 | 2020-08-27 | Yes |
| 909-852 | ETIWANDA | 6529 | 2020-09-28 | Yes |
| 909-871 | MARSHALL | 6529 | 2020-09-28 | Yes |
| 909-892 | UPLAND | 6529 | 2020-09-28 | Yes |
| 909-905 | CLAREMONT | 6529 | 2020-10-19 | Yes |
| 909-910 | S BERNDINO | 6529 | 2002-02-21 | — |
| 909-913 | S BERNDINO | 6529 | 2002-10-17 | Yes |
| 909-961 | RIALTO | 6529 | 2005-12-16 | Yes |
| 909-964 | CLAREMONT | 6529 | 2001-11-29 | Yes |
| 909-965 | S BERNDINO | 6529 | 2005-12-14 | Yes |
| 909-968 | ARROWHEAD | 6529 | 2021-04-05 | Yes |
| 909-991 | S BERNDINO | 6529 | 2002-05-17 | Yes |
| 909-997 | FONTANA | 6529 | 2002-09-06 | 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.