QWEST CORPORATION
54 prefixes in 563 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 563-241 | CLINTON | 9631 | — | Yes |
| 563-242 | CLINTON | 9631 | — | — |
| 563-243 | CLINTON | 9631 | — | — |
| 563-244 | CLINTON | 9631 | — | — |
| 563-259 | CLINTON | 9631 | — | Yes |
| 563-262 | MUSCATINE | 9631 | — | — |
| 563-263 | MUSCATINE | 9631 | — | — |
| 563-264 | MUSCATINE | 9631 | — | — |
| 563-272 | MUSCATINE | 9631 | 2004-04-29 | Yes |
| 563-284 | WALCOTT | 9631 | — | Yes |
| 563-288 | MUSCATINE | 9631 | — | Yes |
| 563-322 | DAVENPORT | 9631 | — | — |
| 563-323 | DAVENPORT | 9631 | — | — |
| 563-324 | DAVENPORT | 9631 | — | — |
| 563-326 | DAVENPORT | 9631 | — | — |
| 563-327 | DAVENPORT | 9631 | — | — |
| 563-328 | DAVENPORT | 9631 | — | — |
| 563-332 | DAVENPORT | 9631 | — | — |
| 563-333 | DAVENPORT | 9631 | — | — |
| 563-336 | DAVENPORT | 9631 | — | — |
| 563-344 | DAVENPORT | 9631 | — | — |
| 563-355 | DAVENPORT | 9631 | — | — |
| 563-359 | DAVENPORT | 9631 | — | — |
| 563-381 | DAVENPORT | 9631 | — | Yes |
| 563-382 | DECORAH | 9631 | — | — |
| 563-383 | DAVENPORT | 9631 | — | — |
| 563-386 | DAVENPORT | 9631 | — | — |
| 563-387 | DECORAH | 9631 | — | Yes |
| 563-388 | DAVENPORT | 9631 | — | — |
| 563-391 | DAVENPORT | 9631 | — | — |
| 563-421 | DAVENPORT | 9631 | — | Yes |
| 563-422 | WEST UNION | 9631 | — | Yes |
| 563-441 | DAVENPORT | 9631 | — | — |
| 563-445 | DAVENPORT | 9631 | — | — |
| 563-449 | DAVENPORT | 9631 | — | Yes |
| 563-459 | DAVENPORT | 9631 | — | Yes |
| 563-468 | DAVENPORT | 9631 | — | Yes |
| 563-538 | LANSING | 9631 | — | Yes |
| 563-552 | DUBUQUE | 9631 | — | Yes |
| 563-556 | DUBUQUE | 9631 | — | — |
| 563-557 | DUBUQUE | 9631 | — | — |
| 563-562 | CALMAR | 9631 | — | Yes |
| 563-568 | WAUKON | 9631 | — | Yes |
| 563-582 | DUBUQUE | 9631 | — | — |
| 563-583 | DUBUQUE | 9631 | — | — |
| 563-584 | DUBUQUE | 9631 | — | — |
| 563-585 | DUBUQUE | 9631 | — | — |
| 563-587 | DUBUQUE | 9631 | — | Yes |
| 563-588 | DUBUQUE | 9631 | — | — |
| 563-589 | DUBUQUE | 9631 | — | — |
| 563-652 | MAQUOKETA | 9631 | — | Yes |
| 563-742 | DAVENPORT | 9631 | — | Yes |
| 563-884 | DAVENPORT | 9631 | — | — |
| 563-888 | DAVENPORT | 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.