QWEST CORPORATION
147 prefixes in 515 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 515-598 | AMES | 9631 | — | Yes |
| 515-631 | DES MOINES | 9631 | 2013-01-23 | Yes |
| 515-633 | DES MOINES | 9631 | — | Yes |
| 515-641 | DES MOINES | 9631 | 2001-02-14 | — |
| 515-643 | DES MOINES | 9631 | — | — |
| 515-645 | DES MOINES | 9631 | — | Yes |
| 515-663 | AMES | 9631 | — | — |
| 515-674 | COLFAX | 9631 | — | Yes |
| 515-679 | WESLEY | 9631 | — | Yes |
| 515-695 | DES MOINES | 9631 | — | Yes |
| 515-697 | DES MOINES | 9631 | — | — |
| 515-698 | DES MOINES | 9631 | — | — |
| 515-699 | DES MOINES | 9631 | — | — |
| 515-725 | DES MOINES | 9631 | — | — |
| 515-727 | DES MOINES | 9631 | — | — |
| 515-758 | EARLHAM | 9631 | — | Yes |
| 515-817 | AMES | 9631 | — | Yes |
| 515-827 | JEWELL | 9631 | — | Yes |
| 515-832 | WEBSTER CY | 9631 | — | Yes |
| 515-854 | WILLIAMS | 9631 | — | Yes |
| 515-875 | DES MOINES | 9631 | 2001-02-27 | — |
| 515-878 | DES MOINES | 9631 | 2015-07-01 | Yes |
| 515-882 | LUVERNE | 9631 | — | Yes |
| 515-883 | DES MOINES | 9631 | — | Yes |
| 515-884 | WHITTEMORE | 9631 | — | Yes |
| 515-953 | DES MOINES | 9631 | — | Yes |
| 515-956 | AMES | 9631 | — | — |
| 515-957 | DES MOINES | 9631 | — | Yes |
| 515-961 | INDIANOLA | 9631 | — | — |
| 515-962 | INDIANOLA | 9631 | — | Yes |
| 515-963 | DES MOINES | 9631 | — | Yes |
| 515-964 | DES MOINES | 9631 | — | — |
| 515-965 | DES MOINES | 9631 | — | — |
| 515-966 | RUNNELLS | 9631 | — | Yes |
| 515-967 | DES MOINES | 9631 | — | — |
| 515-974 | DES MOINES | 9631 | — | Yes |
| 515-978 | DES MOINES | 9631 | 2001-01-10 | Yes |
| 515-981 | DES MOINES | 9631 | — | Yes |
| 515-984 | POLK CITY | 9631 | — | Yes |
| 515-986 | DES MOINES | 9631 | — | Yes |
| 515-987 | DES MOINES | 9631 | — | — |
| 515-989 | DES MOINES | 9631 | — | Yes |
| 515-992 | DALLAS CTR | 9631 | — | Yes |
| 515-993 | ADEL | 9631 | — | Yes |
| 515-994 | PRAIRIE CY | 9631 | — | Yes |
| 515-996 | VAN METER | 9631 | — | Yes |
| 515-999 | GRANGER | 9631 | — | 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.