All assignees
411 prefixes in 563 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 563-200 | DAVENPORT | 624H | 2017-08-14 | Yes |
| 563-201 | DYERSVILLE | 7229 | 2022-11-28 | Yes |
| 563-202 | DECORAH | 6570 | 2013-12-24 | Yes |
| 563-203 | CRESCO | 6570 | 2004-05-06 | Yes |
| 563-204 | LANSING | 073H | — | Yes |
| 563-205 | DAVENPORT | 318J | 2023-03-07 | Yes |
| 563-206 | CLINTON | 508J | — | Yes |
| 563-207 | DUBUQUE | 6534 | 2016-09-20 | Yes |
| 563-208 | MUSCATINE | 221F | — | Yes |
| 563-209 | DAVENPORT | 7229 | 2004-07-14 | Yes |
| 563-210 | DAVENPORT | 6266 | — | Yes |
| 563-211 | XXXXXXXXXX | MULT | — | — |
| 563-212 | CLINTON | 6266 | — | Yes |
| 563-213 | DUBUQUE | 6529 | — | Yes |
| 563-214 | DAVENPORT | 508J | 2016-06-03 | Yes |
| 563-215 | CLINTON | 6534 | 2024-02-09 | Yes |
| 563-216 | DUBUQUE | 6570 | 2023-08-03 | Yes |
| 563-217 | WAUKON | 9877 | 2009-10-26 | Yes |
| 563-218 | WILTON | 9877 | 2024-03-05 | Yes |
| 563-219 | CLINTON | 985E | — | Yes |
| 563-220 | SABULA | 751F | 2006-07-27 | Yes |
| 563-221 | DE WITT | 6266 | 2001-12-08 | Yes |
| 563-222 | MUSCATINE | 7229 | 2024-06-26 | Yes |
| 563-223 | ELDRIDGE | 751F | 2007-03-16 | Yes |
| 563-224 | MAYNARD | 1178 | 2015-10-20 | Yes |
| 563-225 | MCCAUSLAND | 1125 | — | — |
| 563-226 | DE WITT | 6266 | 2025-03-21 | Yes |
| 563-227 | DUBUQUE | 751F | 2018-06-14 | Yes |
| 563-228 | BELLEVUE | 1170 | 2015-06-24 | Yes |
| 563-229 | DE WITT | 6266 | 2025-03-21 | Yes |
| 563-230 | DYERSVILLE | 1167 | 2016-08-26 | Yes |
| 563-231 | DUBUQUE | 6266 | 2012-09-28 | Yes |
| 563-232 | DAVENPORT | 8344 | 2016-02-18 | Yes |
| 563-233 | SUMNER | 593K | 2006-07-28 | Yes |
| 563-234 | DE WITT | 6266 | 2025-03-21 | Yes |
| 563-235 | DUBUQUE | 6570 | 2015-10-15 | Yes |
| 563-236 | ANDREW | 9877 | 2018-06-28 | Yes |
| 563-237 | FREDECKSBG | 1170 | — | Yes |
| 563-238 | LAWLER | 1178 | — | Yes |
| 563-239 | DUBUQUE | 751F | 2016-09-23 | Yes |
| 563-240 | LAMOTTE | 9877 | 2018-06-28 | Yes |
| 563-241 | CLINTON | 9631 | — | Yes |
| 563-242 | CLINTON | 9631 | — | — |
| 563-243 | CLINTON | 9631 | — | — |
| 563-244 | CLINTON | 9631 | — | — |
| 563-245 | ELKADER | 1106 | — | Yes |
| 563-246 | CALAMUS | 1160 | — | — |
| 563-247 | DE WITT | 6266 | 2025-03-21 | Yes |
| 563-248 | DE WITT | 6266 | 2025-03-21 | Yes |
| 563-249 | CLINTON | 6570 | — | — |
| 563-250 | DE WITT | 6266 | 2025-03-21 | Yes |
| 563-251 | DE WITT | 6266 | 2025-03-21 | Yes |
| 563-252 | GUTTENBERG | 1106 | — | Yes |
| 563-253 | TIPTON | 1170 | 2016-11-14 | Yes |
| 563-254 | DE WITT | 6266 | 2025-03-21 | Yes |
| 563-255 | GARBER | 1106 | — | — |
| 563-256 | DE WITT | 6266 | 2025-03-21 | Yes |
| 563-257 | DAVENPORT | 700J | 2025-07-29 | Yes |
| 563-258 | DUBUQUE | 6534 | 2011-11-23 | Yes |
| 563-259 | CLINTON | 9631 | — | Yes |
| 563-260 | MUSCATINE | 6266 | — | Yes |
| 563-261 | MUSCATINE | 695G | 2017-08-16 | Yes |
| 563-262 | MUSCATINE | 9631 | — | — |
| 563-263 | MUSCATINE | 9631 | — | — |
| 563-264 | MUSCATINE | 9631 | — | — |
| 563-265 | DAVENPORT | 9877 | 2009-11-24 | Yes |
| 563-266 | BERNARD | 9877 | 2018-06-28 | Yes |
| 563-268 | BALDWIN | 9877 | 2018-06-28 | Yes |
| 563-269 | CASCADE | 9877 | 2018-06-28 | Yes |
| 563-270 | CENTER JCT | 9877 | 2018-06-28 | Yes |
| 563-271 | DAVENPORT | 6570 | — | — |
| 563-272 | MUSCATINE | 9631 | 2004-04-29 | Yes |
| 563-273 | ONSLOW | 9877 | 2018-06-28 | Yes |
| 563-274 | OTTERCREEK | 9877 | 2018-06-28 | Yes |
| 563-275 | DAVENPORT | 938D | 2010-01-14 | Yes |
| 563-276 | WAUKON | 221F | 2019-08-27 | Yes |
| 563-277 | DECORAH | 593K | 2010-03-19 | Yes |
| 563-278 | CLINTON | 221F | 2019-08-27 | Yes |
| 563-279 | DAVENPORT | 423H | 2019-10-30 | Yes |
| 563-280 | DAVENPORT | 8344 | 2026-04-28 | Yes |
| 563-281 | MUSCATINE | 221F | 2019-08-29 | Yes |
| 563-282 | DONAHUE | 1125 | — | — |
| 563-283 | MUSCATINE | 321J | 2019-11-26 | Yes |
| 563-284 | WALCOTT | 9631 | — | Yes |
| 563-285 | ELDRIDGE | 1125 | — | — |
| 563-286 | DAVENPORT | 073H | 2019-11-21 | Yes |
| 563-287 | DECORAH | 423H | 2019-11-26 | Yes |
| 563-288 | MUSCATINE | 9631 | — | Yes |
| 563-289 | LE CLAIRE | 1170 | — | Yes |
| 563-290 | WAUCOMA | 429J | 2020-08-05 | Yes |
| 563-291 | DUBUQUE | 221F | 2021-01-11 | Yes |
| 563-292 | WEST UNION | 423H | 2018-02-07 | Yes |
| 563-293 | DAVENPORT | 221F | 2014-03-07 | Yes |
| 563-294 | WEST UNION | 423H | 2021-03-11 | Yes |
| 563-296 | DAVENPORT | 425J | 2020-07-23 | Yes |
| 563-297 | ARLINGTON | 221F | — | Yes |
| 563-298 | GUTTENBERG | 6534 | 2019-12-06 | Yes |
| 563-299 | MUSCATINE | 6570 | — | — |
| 563-300 | DAVENPORT | 114J | 2026-06-03 | Yes |
| 563-303 | FAYETTE | 1178 | 2015-10-20 | 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.