← Area code 231

ONVOY, LLCV - MI

49 prefixes in 231 · initial assignments from the NANPA CO code file, 09/17/2026

Prefixes held by ONVOY, LLCV - MI in area code 231
NPA-NXXRate centerOCNAssignedPooled
231-210 ST JAMES 543C 2023-07-11 Yes
231-270 BOYNE CITY 543C 2021-05-21 Yes
231-272 KINGSLEY 543C 2019-08-08 Yes
231-273 EASTPORT 543C 2020-10-26 Yes
231-277 FOUNTAIN 543C 2016-03-22 Yes
231-280 MANCELONA 543C 2016-02-29 Yes
231-283 MUSKEGON 543C 2020-11-09 Yes
231-294 FIFE LAKE 543C 2021-06-15 Yes
231-297 KINGSLEY 543C 2021-06-25 Yes
231-300 ALDEN 543C 2017-09-07 Yes
231-304 BRUTUS 543C 2020-10-26 Yes
231-310 FALMOUTH 543C 2018-09-25 Yes
231-364 NORTHPORT 543C 2021-06-15 Yes
231-367 WOLVERINE 543C 2021-06-25 Yes
231-374 SHELBY 543C 2021-06-15 Yes
231-376 TWIN LAKE 543C 2021-07-02 Yes
231-385 CORAL 543C 2021-07-20 Yes
231-396 CADILLAC 543C 2021-10-29 Yes
231-400 ALANSON 543C 2019-10-10 Yes
231-402 MUSKEGON 543C 2022-01-21 Yes
231-405 ALDEN 543C 2022-02-04 Yes
231-406 FALMOUTH 543C 2022-02-04 Yes
231-407 MECOSTA 543C 2022-02-04 Yes
231-418 MARION 543C 2023-07-11 Yes
231-419 BELLAIRE 543C 2023-07-11 Yes
231-426 RAVENNA 543C 2023-07-11 Yes
231-428 MUSKEGON 543C 2023-07-14 Yes
231-430 BOYNE CITY 543C 2023-07-14 Yes
231-431 CLAM RIVER 543C 2021-05-19 Yes
231-435 EASTPORT 543C 2023-07-14 Yes
231-438 HARBOR SPG 543C 2023-07-14 Yes
231-443 HONOR 543C 2021-01-08 Yes
231-444 CADILLAC 543C 2015-08-24 Yes
231-446 NORTHPORT 543C 2023-07-14 Yes
231-447 HOLTON 543C 2015-12-02 Yes
231-451 WILLIAMSBG 543C 2023-07-14 Yes
231-455 PENTWATER 543C 2021-01-08 Yes
231-460 BIG RAPIDS 543C Yes
231-500 WHITEHALL 543C 2019-10-10 Yes
231-666 MUSKEGON 543C 2017-10-09 Yes
231-707 NEWAYGO 543C 2016-02-25 Yes
231-751 WALLOON LK 543C 2014-10-06 Yes
231-771 ELK RAPIDS 543C 2016-03-22 Yes
231-787 WHITECLOUD 543C 2014-11-07 Yes
231-800 LUTHER 543C 2017-10-02 Yes
231-819 TUSTIN 543C 2014-10-06 Yes
231-831 EASTJORDAN 543C Yes
231-888 TWIN LAKE 543C 2015-06-16 Yes
231-999 CENTRAL LK 543C 2015-08-24 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.