All assignees
411 prefixes in 563 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 563-488 | WYOMING | 1343 | — | — |
| 563-492 | SOSPGGROVE | 1485 | — | — |
| 563-495 | DUBUQUE | 6529 | — | — |
| 563-496 | HESPER | 1421 | — | — |
| 563-497 | DORCHESTER | 1345 | — | — |
| 563-499 | DAVENPORT | 7421 | — | Yes |
| 563-500 | DUBUQUE | 965H | 2019-12-23 | Yes |
| 563-503 | CLINTON | 5562 | — | Yes |
| 563-505 | DAVENPORT | 6529 | — | Yes |
| 563-506 | MUSCATINE | 6529 | — | Yes |
| 563-508 | DAVENPORT | 6534 | — | — |
| 563-509 | LIME SPG | 6534 | 2021-12-03 | Yes |
| 563-511 | XXXXXXXXXX | MULT | — | — |
| 563-513 | DUBUQUE | 6266 | 2001-03-04 | Yes |
| 563-514 | DAVENPORT | 732J | — | Yes |
| 563-515 | — | — | ||
| 563-516 | ELKADER | 6529 | — | Yes |
| 563-517 | DECORAH | 6529 | — | Yes |
| 563-518 | WEST UNION | 6529 | — | Yes |
| 563-519 | CLINTON | 829J | 2001-01-04 | Yes |
| 563-521 | MAQUOKETA | 508J | 2016-09-21 | Yes |
| 563-522 | LOW MOOR | 1170 | — | Yes |
| 563-526 | DAVENPORT | 197D | 2018-06-05 | Yes |
| 563-528 | DAVENPORT | 6529 | 2001-10-30 | Yes |
| 563-529 | DAVENPORT | 6529 | — | Yes |
| 563-532 | OSSIAN | 1346 | — | — |
| 563-534 | FTATKINSON | 1346 | — | — |
| 563-535 | WATERVILLE | 1346 | — | — |
| 563-536 | FARMERSBG | 1230 | — | — |
| 563-537 | MONONA | 6529 | 2006-11-16 | — |
| 563-538 | LANSING | 9631 | — | Yes |
| 563-539 | MONONA | 1230 | — | — |
| 563-540 | WAUKON | 624H | 2021-06-21 | Yes |
| 563-542 | DUBUQUE | 6266 | 2001-04-03 | Yes |
| 563-543 | DUBUQUE | 6266 | — | Yes |
| 563-544 | NEW ALBIN | 1346 | — | — |
| 563-546 | HIGHLANDVL | 1346 | — | — |
| 563-547 | CRESCO | 1167 | — | Yes |
| 563-549 | DAVENPORT | 8344 | 2009-12-08 | Yes |
| 563-550 | CALMAR | 624H | 2021-06-21 | Yes |
| 563-551 | DAVENPORT | 722G | 2019-11-20 | Yes |
| 563-552 | DUBUQUE | 9631 | — | Yes |
| 563-554 | MUSCATINE | 6529 | — | Yes |
| 563-555 | DIR ASST | MULT | — | — |
| 563-556 | DUBUQUE | 9631 | — | — |
| 563-557 | DUBUQUE | 9631 | — | — |
| 563-559 | CLINTON | 6529 | — | Yes |
| 563-560 | LANSING | 624H | 2021-06-21 | Yes |
| 563-562 | CALMAR | 9631 | — | Yes |
| 563-563 | — | — | ||
| 563-564 | DUBUQUE | 6529 | — | Yes |
| 563-565 | CHESTER | 1126 | — | Yes |
| 563-566 | LIME SPG | 1178 | — | Yes |
| 563-567 | CASTALIA | 1346 | — | — |
| 563-568 | WAUKON | 9631 | — | Yes |
| 563-569 | PROTIVIN | 1167 | — | Yes |
| 563-570 | DAVENPORT | 6529 | — | — |
| 563-571 | MUSCATINE | 6529 | — | — |
| 563-574 | DELMAR | 4245 | — | — |
| 563-577 | GOOSE LAKE | 1276 | — | — |
| 563-578 | SUMNER | 1170 | — | Yes |
| 563-579 | DAVENPORT | 6529 | — | — |
| 563-580 | DUBUQUE | 6570 | — | — |
| 563-581 | DUBUQUE | 6570 | — | — |
| 563-582 | DUBUQUE | 9631 | — | — |
| 563-583 | DUBUQUE | 9631 | — | — |
| 563-584 | DUBUQUE | 9631 | — | — |
| 563-585 | DUBUQUE | 9631 | — | — |
| 563-586 | HARPESFRRY | 1346 | — | Yes |
| 563-587 | DUBUQUE | 9631 | — | Yes |
| 563-588 | DUBUQUE | 9631 | — | — |
| 563-589 | DUBUQUE | 9631 | — | — |
| 563-590 | DUBUQUE | 6266 | — | Yes |
| 563-593 | CLINTON | 6529 | — | — |
| 563-594 | DAVENPORT | 221F | 2011-02-14 | Yes |
| 563-599 | DUBUQUE | 6266 | — | Yes |
| 563-600 | LANSING | 965H | 2019-12-17 | Yes |
| 563-605 | POSTVILLE | 6570 | — | Yes |
| 563-607 | MUSCATINE | 6534 | 2001-06-05 | Yes |
| 563-608 | MANCHESTER | 6266 | 2001-01-24 | Yes |
| 563-611 | XXXXXXXXXX | MULT | — | — |
| 563-613 | LOW MOOR | 6534 | 2001-06-18 | Yes |
| 563-624 | EPWORTH | 516J | 2022-02-21 | Yes |
| 563-626 | HARPESFRRY | 516J | 2021-09-17 | Yes |
| 563-633 | ARLINGTON | 1167 | — | Yes |
| 563-635 | LE CLAIRE | 1170 | 2015-06-25 | Yes |
| 563-637 | MAYNARD | 1178 | — | Yes |
| 563-639 | DAVENPORT | 6534 | 2008-09-08 | Yes |
| 563-641 | — | — | ||
| 563-644 | DECORAH | 516J | 2021-06-03 | Yes |
| 563-649 | ATALISSA | 1170 | — | Yes |
| 563-650 | DAVENPORT | 6529 | — | Yes |
| 563-651 | OXFORD JCT | 751F | 2007-02-04 | Yes |
| 563-652 | MAQUOKETA | 9631 | — | Yes |
| 563-655 | DE WITT | 1170 | 2015-06-25 | Yes |
| 563-657 | WALCOTT | 221F | 2005-05-03 | Yes |
| 563-659 | DE WITT | 1170 | — | Yes |
| 563-661 | MAQUOKETA | 221F | — | Yes |
| 563-663 | DUBUQUE | 6534 | 2001-06-05 | Yes |
| 563-666 | WALCOTT | 221F | 2017-09-29 | 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.