UNITED STATES CELLULAR - IA
33 prefixes in 563 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 563-210 | DAVENPORT | 6266 | — | Yes |
| 563-212 | CLINTON | 6266 | — | Yes |
| 563-221 | DE WITT | 6266 | 2001-12-08 | Yes |
| 563-226 | DE WITT | 6266 | 2025-03-21 | Yes |
| 563-229 | DE WITT | 6266 | 2025-03-21 | Yes |
| 563-231 | DUBUQUE | 6266 | 2012-09-28 | Yes |
| 563-234 | DE WITT | 6266 | 2025-03-21 | Yes |
| 563-247 | DE WITT | 6266 | 2025-03-21 | Yes |
| 563-248 | DE WITT | 6266 | 2025-03-21 | Yes |
| 563-250 | DE WITT | 6266 | 2025-03-21 | Yes |
| 563-251 | DE WITT | 6266 | 2025-03-21 | Yes |
| 563-254 | DE WITT | 6266 | 2025-03-21 | Yes |
| 563-256 | DE WITT | 6266 | 2025-03-21 | Yes |
| 563-260 | MUSCATINE | 6266 | — | Yes |
| 563-320 | DAVENPORT | 6266 | — | Yes |
| 563-329 | MCGREGOR | 6266 | 2009-01-07 | Yes |
| 563-331 | TIPTON | 6266 | 2015-09-28 | Yes |
| 563-341 | DUBUQUE | 6266 | 2022-09-02 | Yes |
| 563-349 | DAVENPORT | 6266 | — | Yes |
| 563-357 | CLINTON | 6266 | — | Yes |
| 563-370 | DAVENPORT | 6266 | — | Yes |
| 563-379 | DECORAH | 6266 | — | Yes |
| 563-380 | DECORAH | 6266 | — | Yes |
| 563-513 | DUBUQUE | 6266 | 2001-03-04 | Yes |
| 563-542 | DUBUQUE | 6266 | 2001-04-03 | Yes |
| 563-543 | DUBUQUE | 6266 | — | Yes |
| 563-590 | DUBUQUE | 6266 | — | Yes |
| 563-599 | DUBUQUE | 6266 | — | Yes |
| 563-608 | MANCHESTER | 6266 | 2001-01-24 | Yes |
| 563-794 | WAUKON | 6266 | 2007-09-19 | Yes |
| 563-880 | MCGREGOR | 6266 | — | Yes |
| 563-920 | MANCHESTER | 6266 | — | Yes |
| 563-949 | DAVENPORT | 6266 | — | 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.