Local Calling Guide
Area code/prefix search
NPA: 231
[Rate centres in NPA 231]
[Dial plan for NPA 231]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 >>
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
231-440
| 6 |
Baldwin |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2021-03-06 |
|
231-440
| 7 |
Baldwin |
MI |
TRCYMIMNWMD |
508J CENTURYLINK COMMUNICATIONS, LLC |
348 |
|
2017-10-04 |
|
231-440
| 8 |
Baldwin |
MI |
BRSPMI09DS0 |
933G PEERLESS NETWORK OF MICHIGAN, LLC - MI |
348 |
|
2015-12-20 |
|
231-440
| 9 |
Baldwin |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2015-08-13 |
|
231-441
| A |
Fife Lake |
MI |
GDRPMIBLX8Z |
2550 123.NET, INC. |
348 |
|
|
|
231-442
| A |
Harrietta |
MI |
BRSPMI09DS0 |
933G PEERLESS NETWORK OF MICHIGAN, LLC - MI |
348 |
|
|
|
231-442
| 0 |
Harrietta |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2016-03-21 |
|
231-442
| 1 |
Harrietta |
MI |
BRSPMI09DS0 |
933G PEERLESS NETWORK OF MICHIGAN, LLC - MI |
348 |
|
2016-01-22 |
|
231-442
| 2 |
Harrietta |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2016-03-21 |
|
231-442
| 3 |
Harrietta |
MI |
BRSPMI09DS0 |
933G PEERLESS NETWORK OF MICHIGAN, LLC - MI |
348 |
|
2018-12-28 |
|
231-442
| 5 |
Harrietta |
MI |
GDRPMIBL41Z |
506J TWILIO INTERNATIONAL, INC. |
348 |
|
2021-07-26 |
|
231-442
| 6 |
Harrietta |
MI |
GDRPMIBL36Z |
624H ONVOY SPECTRUM, LLC |
348 |
|
2021-06-19 |
|
231-442
| 7 |
Harrietta |
MI |
TRCYMIMNWMD |
508J CENTURYLINK COMMUNICATIONS, LLC |
348 |
|
2017-10-04 |
|
231-442
| 8 |
Harrietta |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2021-08-15 |
|
231-442
| 9 |
Harrietta |
MI |
GDRPMIBL00Z |
991E BANDWIDTH.COM CLEC, LLC - MI |
348 |
|
2021-09-06 |
|
231-443
| A |
Honor |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
|
|
231-443
| 2 |
Honor |
MI |
GDRPMIBL41Z |
506J TWILIO INTERNATIONAL, INC. |
348 |
|
2021-07-26 |
|
231-443
| 3 |
Honor |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2021-03-11 |
|
231-443
| 4 |
Honor |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2021-03-11 |
|
231-443
| 5 |
Honor |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2021-03-11 |
|
231-443
| 6 |
Honor |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2021-03-11 |
|
231-443
| 7 |
Honor |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2022-12-29 |
|
231-443
| 8 |
Honor |
MI |
GDRPMIBL36Z |
624H ONVOY SPECTRUM, LLC |
348 |
|
2021-06-19 |
|
231-443
| 9 |
Honor |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2023-08-06 |
|
231-444
| A |
Cadillac |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
|
|
231-444
| 0 |
Cadillac |
MI |
BRSPMI09DS0 |
933G PEERLESS NETWORK OF MICHIGAN, LLC - MI |
348 |
|
2015-12-21 |
|
231-444
| 1 |
Cadillac |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2016-03-10 |
|
231-444
| 2 |
Cadillac |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2016-03-10 |
|
231-444
| 3 |
Cadillac |
MI |
GDRPMIBL00Z |
991E BANDWIDTH.COM CLEC, LLC - MI |
348 |
|
2016-05-09 |
|
231-444
| 4 |
Cadillac |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2015-10-19 |
|
231-444
| 5 |
Cadillac |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2015-10-19 |
|
231-444
| 6 |
Cadillac |
MI |
GFTPMIEF1MD |
351D CHARTER FIBERLINK - MICHIGAN, LLC - MI |
348 |
|
2016-06-15 |
|
231-444
| 7 |
Cadillac |
MI |
|
279B CLEAR RATE COMMUNICATIONS, INC. - MI |
348 |
|
2016-08-31 |
|
231-444
| 8 |
Cadillac |
MI |
TRCYMIMNWMD |
508J CENTURYLINK COMMUNICATIONS, LLC |
348 |
|
2016-10-15 |
|
231-444
| 9 |
Cadillac |
MI |
WYNGMIKAGT2 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2018-05-11 |
|
231-445
| A |
Cheboygan |
MI |
GDRQMIBODMD |
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
|
|
231-445
| 0 |
Cheboygan |
MI |
GDRQMIBODMD |
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
|
|
231-445
| 1 |
Cheboygan |
MI |
GDRQMIBODMD |
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
|
|
231-445
| 2 |
Cheboygan |
MI |
GDRQMIBODMD |
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
|
|
231-445
| 3 |
Cheboygan |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2021-03-06 |
|
231-445
| 4 |
Cheboygan |
MI |
|
145J TERRA NOVA TELECOM INC. |
348 |
|
2021-01-19 |
|
231-445
| 5 |
Cheboygan |
MI |
GDRPMIBL00Z |
991E BANDWIDTH.COM CLEC, LLC - MI |
348 |
|
2014-07-21 |
|
231-445
| 6 |
Cheboygan |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2021-03-06 |
|
231-445
| 7 |
Cheboygan |
MI |
GDRPMIBL15Z |
516C AT&T CORP. |
348 |
|
2011-05-31 |
|
231-445
| 8 |
Cheboygan |
MI |
GDRQMIBODMD |
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
|
|
231-445
| 9 |
Cheboygan |
MI |
GFTPMIEF1MD |
351D CHARTER FIBERLINK - MICHIGAN, LLC - MI |
348 |
|
2012-08-16 |
|
231-446
| A |
Northport |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
|
|
231-446
| 2 |
Northport |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2023-09-16 |
|
231-446
| 6 |
Northport |
MI |
BRSPMI096MD |
145J TERRA NOVA TELECOM INC. |
348 |
|
2023-11-13 |
|
231-447
| A |
Holton |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
|
|
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Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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