ONVOY, LLC - IA
15 prefixes in 563 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 563-208 | MUSCATINE | 221F | — | Yes |
| 563-276 | WAUKON | 221F | 2019-08-27 | Yes |
| 563-278 | CLINTON | 221F | 2019-08-27 | Yes |
| 563-281 | MUSCATINE | 221F | 2019-08-29 | Yes |
| 563-291 | DUBUQUE | 221F | 2021-01-11 | Yes |
| 563-293 | DAVENPORT | 221F | 2014-03-07 | Yes |
| 563-297 | ARLINGTON | 221F | — | Yes |
| 563-444 | ATALISSA | 221F | 2025-08-21 | Yes |
| 563-594 | DAVENPORT | 221F | 2011-02-14 | Yes |
| 563-657 | WALCOTT | 221F | 2005-05-03 | Yes |
| 563-661 | MAQUOKETA | 221F | — | Yes |
| 563-666 | WALCOTT | 221F | 2017-09-29 | Yes |
| 563-723 | DAVENPORT | 221F | 2008-07-24 | Yes |
| 563-726 | DAVENPORT | 221F | 2007-12-18 | Yes |
| 563-800 | CALMAR | 221F | 2018-02-16 | 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.