All assignees
364 prefixes in 779 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 779-300 | ROCKFORD | 6529 | 2011-02-17 | Yes |
| 779-301 | KANKAKEE | 6529 | 2014-06-11 | Yes |
| 779-302 | WOODSTOCK | 6333 | 2015-02-27 | Yes |
| 779-303 | PLAINFIELD | 073H | — | Yes |
| 779-304 | RUTLAND | 495J | 2020-09-17 | Yes |
| 779-305 | REDDICK | 495J | 2020-09-17 | Yes |
| 779-306 | PONTIAC | 495J | 2020-09-17 | Yes |
| 779-307 | LOSTANT | 495J | 2020-09-17 | Yes |
| 779-308 | CHATSWORTH | 495J | 2020-09-17 | Yes |
| 779-309 | SO SHARON | 490J | 2023-06-13 | Yes |
| 779-310 | NEWMILFORD | 495J | 2020-09-17 | Yes |
| 779-311 | XXXXXXXXXX | MULT | — | — |
| 779-312 | WOODSTOCK | 6333 | 2023-06-21 | Yes |
| 779-313 | CHERRY VLY | 495J | 2020-09-17 | Yes |
| 779-314 | ROCK CUT | 495J | 2020-09-17 | Yes |
| 779-315 | ROSCOE | 495J | 2020-09-17 | Yes |
| 779-316 | CRESTON | 495J | 2020-09-17 | Yes |
| 779-317 | KIRKLAND | 495J | 2020-09-17 | Yes |
| 779-318 | MALTA | 495J | 2020-09-17 | Yes |
| 779-319 | MAPLE PARK | 495J | 2020-09-17 | Yes |
| 779-320 | MONROE CTR | 495J | 2020-09-17 | Yes |
| 779-321 | SHABBONA | 495J | 2020-09-17 | Yes |
| 779-322 | THOMAS | 495J | 2020-09-17 | Yes |
| 779-323 | ROCKFORD | 515J | 2020-09-30 | Yes |
| 779-324 | FRANKFORT | 984E | 2010-08-17 | Yes |
| 779-325 | FRANKLIGRV | 495J | 2020-11-25 | Yes |
| 779-326 | DWIGHT | 495J | 2020-12-10 | Yes |
| 779-327 | WARREN | 224C | 2021-06-10 | Yes |
| 779-328 | HANOVER | 224C | 2021-06-10 | Yes |
| 779-329 | MENDOTA | 6529 | 2021-06-10 | Yes |
| 779-330 | BELVIDERE | 478J | 2021-06-22 | Yes |
| 779-331 | KANKAKEE | 6534 | 2023-07-18 | Yes |
| 779-332 | DURAND | 224C | 2021-06-10 | Yes |
| 779-333 | FRANKFORT | 224C | 2013-04-11 | Yes |
| 779-334 | DE KALB | 6115 | 2020-11-04 | Yes |
| 779-335 | ROCKFORD | 073H | 2021-06-23 | Yes |
| 779-336 | WOODSTOCK | 965H | 2021-02-10 | Yes |
| 779-337 | WOODLAND | 224C | 2021-06-24 | Yes |
| 779-338 | CRESCENTCY | 224C | 2021-06-24 | Yes |
| 779-339 | FRANKFORT | 6534 | 2021-10-19 | Yes |
| 779-340 | COAL CITY | 984E | 2021-11-22 | Yes |
| 779-341 | JOLIET | 6534 | 2021-12-29 | Yes |
| 779-342 | DWIGHT | 224C | 2021-07-14 | Yes |
| 779-343 | GERMAN VLY | 224C | 2021-11-04 | Yes |
| 779-344 | SEWARD | 224C | 2021-11-04 | Yes |
| 779-345 | BYRON | 965H | 2020-07-27 | Yes |
| 779-346 | CAPRON | 965H | 2020-09-18 | Yes |
| 779-347 | WINSLOW | 224C | 2021-11-04 | Yes |
| 779-348 | ROCKFORD | 7136 | 2007-06-13 | Yes |
| 779-349 | SPRING VLY | 6529 | 2022-01-11 | Yes |
| 779-350 | MOMENCE | 6534 | 2022-10-03 | Yes |
| 779-351 | ROCKFORD | 829J | 2022-02-25 | Yes |
| 779-352 | WATERMAN | 506J | — | Yes |
| 779-353 | FORRESTON | 6115 | 2022-03-31 | Yes |
| 779-354 | DAVIS | 6115 | 2022-03-31 | Yes |
| 779-355 | HARMON | 6115 | 2022-03-31 | Yes |
| 779-356 | CRYSTAL LK | 965H | 2020-07-14 | Yes |
| 779-357 | LEAF RIVER | 6534 | 2022-04-12 | — |
| 779-358 | PLAINFIELD | 984E | 2022-10-18 | Yes |
| 779-359 | BELVIDERE | 732J | 2022-11-15 | Yes |
| 779-360 | MOMENCE | 6534 | 2022-12-29 | Yes |
| 779-361 | KANKAKEE | 6333 | 2023-01-03 | Yes |
| 779-362 | FAIRBURY | 224C | 2023-01-19 | Yes |
| 779-363 | ROCKFORD | 732J | 2023-02-08 | Yes |
| 779-364 | STREATOR | 732J | 2023-02-08 | Yes |
| 779-365 | DE KALB | 732J | 2023-02-15 | Yes |
| 779-366 | ROCKFORD | 321J | 2023-03-08 | Yes |
| 779-367 | SYCAMORE | 732J | 2023-03-10 | Yes |
| 779-368 | NEWMILFORD | 318J | 2007-08-21 | Yes |
| 779-369 | MOMENCE | 6534 | 2023-03-16 | Yes |
| 779-370 | ROCKFORD | 490J | 2023-04-18 | Yes |
| 779-371 | MOMENCE | 6534 | 2023-07-18 | Yes |
| 779-372 | DIXON | 6529 | 2023-07-20 | Yes |
| 779-373 | ROCKFORD | 475J | 2023-07-20 | Yes |
| 779-374 | JOLIET | 6333 | 2023-07-26 | Yes |
| 779-375 | JOLIET | 6534 | 2023-07-26 | Yes |
| 779-376 | GRANT PARK | 939H | 2023-08-11 | Yes |
| 779-377 | SO BELOIT | 622J | 2021-09-13 | Yes |
| 779-378 | MCHENRY | 224C | 2023-08-18 | Yes |
| 779-379 | JOLIET | 6534 | 2008-10-29 | Yes |
| 779-380 | MOMENCE | 6534 | 2023-09-06 | Yes |
| 779-381 | LA SALLE | 6333 | 2023-10-19 | Yes |
| 779-382 | GENOA | 792K | 2007-05-07 | Yes |
| 779-383 | MOMENCE | 6534 | 2023-10-30 | Yes |
| 779-384 | HARVARD | 6529 | 2024-01-09 | Yes |
| 779-385 | MOMENCE | 6534 | 2024-02-06 | Yes |
| 779-386 | PRINCETON | 6529 | 2024-02-08 | Yes |
| 779-387 | POPLAR GRV | 224C | 2024-03-21 | Yes |
| 779-388 | CRYSTAL LK | 624H | 2024-03-22 | Yes |
| 779-389 | GARDENPRRI | 224C | 2021-04-19 | Yes |
| 779-390 | LOCKPORT | 6529 | 2024-03-27 | Yes |
| 779-391 | NEW LENOX | 624H | 2024-03-29 | Yes |
| 779-392 | OGLESBY | 624H | 2024-03-29 | Yes |
| 779-393 | WATSEKA | 624H | 2024-03-29 | Yes |
| 779-394 | WELLINGTON | 624H | 2024-03-29 | Yes |
| 779-395 | MINOOKA | 224C | 2024-04-02 | Yes |
| 779-396 | WOODSTOCK | 6333 | 2024-04-05 | Yes |
| 779-397 | CABERY | 624H | 2023-05-03 | Yes |
| 779-398 | PONTIAC | 224C | 2024-05-14 | Yes |
| 779-399 | KINSMAN | 965H | 2021-01-08 | 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.