UNITED STATES CELLULAR - IA
39 prefixes in 319 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 319-201 | MTPLEASANT | 6266 | — | Yes |
| 319-215 | WATERLOO | 6266 | 2004-01-19 | Yes |
| 319-231 | WATERLOO | 6266 | — | Yes |
| 319-239 | WATERLOO | 6266 | — | Yes |
| 319-240 | WATERLOO | 6266 | — | Yes |
| 319-264 | OELWEIN | 6266 | 2017-08-07 | Yes |
| 319-269 | WATERLOO | 6266 | — | Yes |
| 319-271 | INDEPNDNCE | 6266 | 2017-01-18 | Yes |
| 319-310 | CEDAR RPDS | 6266 | — | Yes |
| 319-325 | IOWA CITY | 6266 | 2001-03-09 | Yes |
| 319-327 | INDEPNDNCE | 6266 | 2005-04-26 | Yes |
| 319-330 | IOWA CITY | 6266 | — | Yes |
| 319-350 | CEDAR RPDS | 6266 | — | Yes |
| 319-361 | CEDAR RPDS | 6266 | — | Yes |
| 319-404 | WATERLOO | 6266 | — | Yes |
| 319-407 | WAVERLY | 6266 | 2021-12-14 | Yes |
| 319-415 | WATERLOO | 6266 | 2001-03-27 | Yes |
| 319-428 | BURLINGTON | 6266 | 2023-12-11 | Yes |
| 319-429 | WATERLOO | 6266 | 2007-06-07 | Yes |
| 319-430 | IOWA CITY | 6266 | — | Yes |
| 319-461 | WASHINGTON | 6266 | — | Yes |
| 319-470 | FT MADISON | 6266 | — | Yes |
| 319-480 | ANAMOSA | 6266 | — | Yes |
| 319-530 | IOWA CITY | 6266 | — | Yes |
| 319-540 | CEDAR RPDS | 6266 | — | Yes |
| 319-550 | CEDAR RPDS | 6266 | — | Yes |
| 319-551 | CEDAR RPDS | 6266 | — | Yes |
| 319-559 | WAVERLY | 6266 | 2012-09-10 | Yes |
| 319-560 | CEDAR RPDS | 6266 | — | Yes |
| 319-572 | BURLINGTON | 6266 | — | Yes |
| 319-591 | WASHINGTON | 6266 | — | Yes |
| 319-721 | CEDAR RPDS | 6266 | — | Yes |
| 319-759 | BURLINGTON | 6266 | — | Yes |
| 319-795 | KEOKUK | 6266 | — | Yes |
| 319-929 | CEDAR RPDS | 6266 | — | Yes |
| 319-930 | IOWA CITY | 6266 | — | Yes |
| 319-931 | MTPLEASANT | 6266 | — | Yes |
| 319-939 | WATERLOO | 6266 | — | Yes |
| 319-975 | ANAMOSA | 6266 | 2014-12-29 | 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.