NEW CINGULAR WIRELESS PCS, LLC - IL
72 prefixes in 231 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 231-201 | CHIPPEWALK | 6534 | 2004-03-05 | Yes |
| 231-202 | MECOSTA | 6534 | 2004-03-05 | Yes |
| 231-203 | ALANSON | 6534 | 2004-03-19 | Yes |
| 231-245 | NEWAYGO | 6534 | 2009-07-17 | Yes |
| 231-281 | CADILLAC | 6534 | 2020-11-03 | Yes |
| 231-282 | GRANT | 6534 | — | Yes |
| 231-288 | MUSKEGON | 6534 | 2005-09-13 | Yes |
| 231-290 | INDIAN RIV | 6534 | — | Yes |
| 231-307 | MORLEY | 6534 | — | Yes |
| 231-313 | TRAVERSECY | 6534 | — | — |
| 231-327 | MUSKEGON | 6534 | — | Yes |
| 231-329 | MUSKEGON | 6534 | — | — |
| 231-335 | FREMONT | 6534 | — | Yes |
| 231-337 | MCBAIN | 6534 | — | — |
| 231-341 | LAKE ANN | 6534 | 2025-05-22 | Yes |
| 231-360 | TRAVERSECY | 6534 | 2002-12-30 | Yes |
| 231-387 | PETOSKEY | 6534 | 2021-10-06 | Yes |
| 231-404 | STANWOOD | 6534 | 2004-10-05 | Yes |
| 231-408 | BIG RAPIDS | 6534 | — | Yes |
| 231-409 | TRAVERSECY | 6534 | — | — |
| 231-410 | MANISTEE | 6534 | 2022-08-12 | Yes |
| 231-414 | NEWAYGO | 6534 | — | Yes |
| 231-432 | NORTHPORT | 6534 | 2002-08-30 | Yes |
| 231-434 | MANTON | 6534 | 2014-09-26 | Yes |
| 231-450 | HESPERIA | 6534 | 2005-01-19 | Yes |
| 231-456 | GLEN LAKE | 6534 | 2024-09-05 | Yes |
| 231-465 | REED CITY | 6534 | — | Yes |
| 231-469 | MUSKEGON | 6534 | 2026-03-19 | Yes |
| 231-495 | BELLAIRE | 6534 | 2016-07-29 | Yes |
| 231-497 | BOYNE CITY | 6534 | — | Yes |
| 231-510 | MANISTEE | 6534 | — | — |
| 231-563 | MUSKEGON | 6534 | — | Yes |
| 231-564 | KALKASKA | 6534 | — | Yes |
| 231-570 | FIFE LAKE | 6534 | 2002-03-29 | Yes |
| 231-598 | BIG RAPIDS | 6534 | — | Yes |
| 231-613 | SCOTTVILLE | 6534 | — | Yes |
| 231-620 | TRAVERSECY | 6534 | — | — |
| 231-632 | TRAVERSECY | 6534 | — | — |
| 231-633 | TRAVERSECY | 6534 | — | — |
| 231-640 | LAKE ANN | 6534 | 2002-08-30 | Yes |
| 231-645 | TRAVERSECY | 6534 | — | — |
| 231-651 | BEULAH | 6534 | 2002-08-30 | Yes |
| 231-667 | MARION | 6534 | 2002-08-30 | Yes |
| 231-675 | BOYNE CITY | 6534 | 2002-03-29 | — |
| 231-676 | BELLAIRE | 6534 | 2002-08-30 | Yes |
| 231-709 | TRAVERSECY | 6534 | — | Yes |
| 231-715 | TRAVERSECY | 6534 | — | Yes |
| 231-729 | IRONS | 6534 | 2002-08-30 | Yes |
| 231-730 | MUSKEGON | 6534 | — | — |
| 231-742 | HART | 6534 | — | Yes |
| 231-750 | MUSKEGON | 6534 | — | — |
| 231-794 | MANISTEE | 6534 | 2002-08-30 | Yes |
| 231-818 | CHEBOYGAN | 6534 | — | Yes |
| 231-833 | WOLVERINE | 6534 | 2005-04-11 | Yes |
| 231-835 | GLEN LAKE | 6534 | 2002-08-30 | Yes |
| 231-838 | PETOSKEY | 6534 | 2002-03-29 | — |
| 231-852 | LUDINGTON | 6534 | — | Yes |
| 231-855 | MUSKEGON | 6534 | — | Yes |
| 231-866 | SUTTONSBAY | 6534 | 2002-08-30 | Yes |
| 231-871 | BEULAH | 6534 | — | Yes |
| 231-872 | REED CITY | 6534 | — | Yes |
| 231-881 | PETOSKEY | 6534 | — | Yes |
| 231-883 | TRAVERSECY | 6534 | — | — |
| 231-884 | CADILLAC | 6534 | — | Yes |
| 231-886 | KALKASKA | 6534 | — | Yes |
| 231-887 | MANISTEE | 6534 | — | Yes |
| 231-907 | LUDINGTON | 6534 | 2002-09-03 | Yes |
| 231-912 | REED CITY | 6534 | 2002-08-30 | Yes |
| 231-920 | CADILLAC | 6534 | — | — |
| 231-939 | PETOSKEY | 6534 | 2017-08-09 | Yes |
| 231-955 | MUSKEGON | 6534 | — | Yes |
| 231-970 | BEAR LAKE | 6534 | 2002-08-30 | 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.