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 |
| 231-674
| 8 |
Grant |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2016-03-21 |
|
| 231-674
| 9 |
Grant |
MI |
|
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
348 |
|
|
|
| 231-675
| A |
Boyne City |
MI |
WYNGMIKAGT2 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
|
|
| 231-676
| A |
Bellaire |
MI |
WYNGMIKAGT2 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
|
|
| 231-676
| 0 |
Bellaire |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
|
|
| 231-676
| 1 |
Bellaire |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2007-08-10 |
|
| 231-676
| 2 |
Bellaire |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2008-05-08 |
|
| 231-676
| 3 |
Bellaire |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2003-09-06 |
|
| 231-676
| 4 |
Bellaire |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2011-09-24 |
|
| 231-676
| 5 |
Bellaire |
MI |
|
770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI |
348 |
|
2013-08-06 |
|
| 231-676
| 6 |
Bellaire |
MI |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
348 |
|
2015-09-16 |
|
| 231-676
| 7 |
Bellaire |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2009-01-15 |
|
| 231-676
| 8 |
Bellaire |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2014-10-24 |
|
| 231-676
| 9 |
Bellaire |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2010-02-10 |
|
| 231-678
| A |
Brethren |
MI |
GDRPMIBLXTZ |
3535 ACD TELECOM, INC. - MI |
348 |
|
|
|
| 231-678
| 7 |
Brethren |
MI |
|
3535 ACD TELECOM, INC. - MI |
348 |
|
2005-03-12 |
|
| 231-678
| 8 |
Brethren |
MI |
|
145J TERRA NOVA TELECOM INC. |
348 |
|
2025-06-05 |
|
| 231-679
| A |
Big Rapids |
MI |
GDRQMIBODMD |
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
|
|
| 231-679
| 0 |
Big Rapids |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
|
|
| 231-679
| 1 |
Big Rapids |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
|
|
| 231-679
| 2 |
Big Rapids |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
|
|
| 231-679
| 3 |
Big Rapids |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
|
|
| 231-679
| 4 |
Big Rapids |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
|
|
| 231-679
| 5 |
Big Rapids |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
|
|
| 231-679
| 6 |
Big Rapids |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2006-02-13 |
|
| 231-679
| 7 |
Big Rapids |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2006-02-13 |
|
| 231-679
| 8 |
Big Rapids |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2006-02-13 |
|
| 231-679
| 9 |
Big Rapids |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
|
|
| 231-680
| A |
Reed City |
MI |
GDRPMIQLX5Y |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
348 |
|
|
|
| 231-680
| 0 |
Reed City |
MI |
|
991E BANDWIDTH.COM CLEC, LLC - MI |
348 |
|
2009-03-07 |
|
| 231-680
| 1 |
Reed City |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2023-08-06 |
|
| 231-680
| 2 |
Reed City |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2012-06-01 |
|
| 231-680
| 3 |
Reed City |
MI |
|
770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI |
348 |
|
2013-08-06 |
|
| 231-680
| 4 |
Reed City |
MI |
|
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
348 |
|
|
|
| 231-680
| 5 |
Reed City |
MI |
|
516C AT&T CORP. |
348 |
|
2012-12-03 |
|
| 231-680
| 6 |
Reed City |
MI |
|
624H ONVOY SPECTRUM, LLC |
348 |
|
2021-06-20 |
|
| 231-680
| 7 |
Reed City |
MI |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
348 |
|
2016-10-15 |
|
| 231-680
| 8 |
Reed City |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2021-11-15 |
|
| 231-681
| A |
Fruitport |
MI |
FRPRMIXGRS0 |
0695 FRONTIER NORTH, INC. - MI |
348 |
|
|
|
| 231-681
| 0 |
Fruitport |
MI |
|
0695 FRONTIER NORTH, INC. - MI |
348 |
|
|
|
| 231-681
| 1 |
Fruitport |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2015-12-17 |
|
| 231-681
| 2 |
Fruitport |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2015-12-17 |
|
| 231-681
| 3 |
Fruitport |
MI |
|
7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
348 |
|
2012-12-17 |
|
| 231-681
| 4 |
Fruitport |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2020-11-27 |
|
| 231-681
| 5 |
Fruitport |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2020-11-27 |
|
| 231-681
| 6 |
Fruitport |
MI |
|
624H ONVOY SPECTRUM, LLC |
348 |
|
2021-06-19 |
|
| 231-681
| 7 |
Fruitport |
MI |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
348 |
|
2015-09-17 |
|
| 231-681
| 8 |
Fruitport |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2015-12-09 |
|
| 231-682
| A |
Alden |
MI |
|
817J INTERACTIVE SERVICES NETWORK, INC. |
348 |
|
|
|
| 231-683
| A |
Muskegon |
MI |
GDRPMIQLX5Y |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
348 |
|
|
|
<< 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 >>
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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