T-MOBILE USA, INC.
76 prefixes in 630 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 630-201 | NAPERVILLE | 6529 | 2004-08-20 | Yes |
| 630-202 | LA GRANGE | 6529 | — | Yes |
| 630-205 | NORTHBROOK | 6529 | — | Yes |
| 630-290 | LOMBARD | 6529 | 2001-04-02 | — |
| 630-327 | LA GRANGE | 6529 | — | Yes |
| 630-330 | ELMHURST | 6529 | — | Yes |
| 630-333 | ELMHURST | 6529 | — | Yes |
| 630-335 | NAPERVILLE | 6529 | — | Yes |
| 630-340 | AURORA | 6529 | 2006-07-13 | Yes |
| 630-361 | ITASCA | 6529 | — | Yes |
| 630-362 | NAPERVILLE | 6529 | 2002-02-11 | — |
| 630-392 | NAPERVILLE | 6529 | 2004-01-21 | Yes |
| 630-400 | ELGIN | 6529 | 2001-01-25 | — |
| 630-401 | AURORA | 6529 | 2005-10-06 | Yes |
| 630-417 | LA GRANGE | 6529 | — | Yes |
| 630-430 | LA GRANGE | 6529 | — | Yes |
| 630-440 | W CHICAGO | 6529 | 2001-02-12 | Yes |
| 630-452 | LA GRANGE | 6529 | — | Yes |
| 630-461 | ROSELLE | 6529 | — | Yes |
| 630-479 | NORTHBROOK | 6529 | — | Yes |
| 630-506 | AURORA | 6529 | 2010-06-24 | Yes |
| 630-514 | LA GRANGE | 6529 | — | Yes |
| 630-538 | SUGARGROVE | 6529 | 2010-08-12 | Yes |
| 630-546 | ELMHURST | 6529 | 2002-06-17 | Yes |
| 630-618 | AURORA | 6529 | 2004-10-13 | Yes |
| 630-656 | LOMBARD | 6529 | — | Yes |
| 630-660 | LA GRANGE | 6529 | — | Yes |
| 630-664 | NAPERVILLE | 6529 | 2002-06-10 | Yes |
| 630-666 | ELMHURST | 6529 | 2007-05-22 | Yes |
| 630-667 | LA GRANGE | 6529 | — | Yes |
| 630-669 | NORTHBROOK | 6529 | — | Yes |
| 630-670 | LA GRANGE | 6529 | — | — |
| 630-673 | NORTHBROOK | 6529 | — | Yes |
| 630-674 | NORTHBROOK | 6529 | — | Yes |
| 630-675 | ROSELLE | 6529 | — | Yes |
| 630-677 | GENEVA | 6529 | — | Yes |
| 630-688 | ELMHURST | 6529 | 2001-02-14 | Yes |
| 630-697 | LA GRANGE | 6529 | — | Yes |
| 630-701 | AURORA | 6529 | 2004-07-20 | Yes |
| 630-728 | LA GRANGE | 6529 | — | Yes |
| 630-731 | AURORA | 6529 | 2011-03-31 | Yes |
| 630-742 | NAPERVILLE | 6529 | — | Yes |
| 630-745 | NORTHBROOK | 6529 | — | Yes |
| 630-747 | LA GRANGE | 6529 | — | Yes |
| 630-763 | ELMHURST | 6529 | 2024-07-24 | Yes |
| 630-768 | NAPERVILLE | 6529 | 2002-10-03 | Yes |
| 630-774 | LA GRANGE | 6529 | — | — |
| 630-776 | ELMHURST | 6529 | 2001-01-03 | Yes |
| 630-781 | LA GRANGE | 6529 | — | Yes |
| 630-788 | AURORA | 6529 | 2001-06-06 | — |
| 630-802 | SUGARGROVE | 6529 | 2001-04-02 | — |
| 630-803 | AURORA | 6529 | 2002-01-17 | Yes |
| 630-806 | AURORA | 6529 | 2005-02-16 | Yes |
| 630-808 | ELMHURST | 6529 | 2006-10-03 | Yes |
| 630-816 | NORTHBROOK | 6529 | — | Yes |
| 630-849 | AURORA | 6529 | 2004-04-27 | Yes |
| 630-854 | NAPERVILLE | 6529 | 2001-01-25 | — |
| 630-863 | LEMONT | 6529 | 2001-04-09 | Yes |
| 630-864 | NAPERVILLE | 6529 | 2005-09-01 | Yes |
| 630-865 | LA GRANGE | 6529 | — | Yes |
| 630-878 | LA GRANGE | 6529 | 2001-04-19 | — |
| 630-885 | NAPERVILLE | 6529 | 2003-07-14 | Yes |
| 630-886 | LA GRANGE | 6529 | — | — |
| 630-888 | AURORA | 6529 | 2006-10-13 | Yes |
| 630-890 | WHEATON | 6529 | 2001-06-06 | — |
| 630-901 | NAPERVILLE | 6529 | 2005-04-28 | Yes |
| 630-903 | ELMHURST | 6529 | 2005-03-22 | Yes |
| 630-915 | HINSDALE | 6529 | 2001-09-06 | — |
| 630-918 | LA GRANGE | 6529 | — | — |
| 630-923 | WHEATON | 6529 | — | Yes |
| 630-926 | LA GRANGE | 6529 | — | — |
| 630-930 | ELMHURST | 6529 | — | Yes |
| 630-935 | LOMBARD | 6529 | 2001-04-02 | — |
| 630-965 | BARTLETT | 6529 | — | — |
| 630-973 | ROSELLE | 6529 | 2001-04-19 | Yes |
| 630-999 | SUGARGROVE | 6529 | 2006-06-21 | 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.