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 |
| 231-460
| 9 |
Big Rapids |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2023-08-12 |
|
| 231-462
| A |
Fountain |
MI |
FONTMIMNRSA |
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-462
| 0 |
Fountain |
MI |
GDRPMIBLXTZ |
3535 ACD TELECOM, INC. - MI |
348 |
|
2005-02-11 |
|
| 231-462
| 1 |
Fountain |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2015-08-02 |
|
| 231-462
| 2 |
Fountain |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2020-11-20 |
|
| 231-462
| 3 |
Fountain |
MI |
FONTMIMNRSA |
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-462
| 4 |
Fountain |
MI |
|
817J INTERACTIVE SERVICES NETWORK, INC. |
348 |
|
2005-09-02 |
|
| 231-462
| 5 |
Fountain |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2013-04-01 |
|
| 231-462
| 6 |
Fountain |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2020-11-20 |
|
| 231-462
| 7 |
Fountain |
MI |
GDRPMIBL15Z |
516C AT&T CORP. |
348 |
|
2011-08-23 |
|
| 231-462
| 8 |
Fountain |
MI |
BRSPMI09DS0 |
933G PEERLESS NETWORK OF MICHIGAN, LLC - MI |
348 |
|
2015-12-22 |
|
| 231-462
| 9 |
Fountain |
MI |
FONTMIMNRSA |
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-463
| A |
Traverse City |
MI |
GDRQMIBODMD |
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
|
|
| 231-463
| 0 |
Traverse City |
MI |
GDRQMIBODMD |
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
|
|
| 231-463
| 1 |
Traverse City |
MI |
GDRQMIBODMD |
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2003-06-04 |
|
| 231-463
| 2 |
Traverse City |
MI |
GDRQMIBODMD |
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2003-09-03 |
|
| 231-463
| 3 |
Traverse City |
MI |
GDRQMIBODMD |
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2003-09-03 |
|
| 231-463
| 4 |
Traverse City |
MI |
GDRQMIBODMD |
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2003-09-03 |
|
| 231-463
| 5 |
Traverse City |
MI |
GDRQMIBODMD |
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2003-09-03 |
|
| 231-463
| 6 |
Traverse City |
MI |
GDRQMIBODMD |
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2003-09-03 |
|
| 231-463
| 7 |
Traverse City |
MI |
GDRQMIBODMD |
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2003-09-03 |
|
| 231-463
| 8 |
Traverse City |
MI |
GDRQMIBODMD |
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2003-09-03 |
|
| 231-463
| 9 |
Traverse City |
MI |
GDRQMIBODMD |
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2003-09-03 |
|
| 231-464
| A |
Freesoil |
MI |
FONTMIMNRSA |
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-464
| 0 |
Freesoil |
MI |
|
817J INTERACTIVE SERVICES NETWORK, INC. |
348 |
|
2005-09-02 |
|
| 231-464
| 1 |
Freesoil |
MI |
BRSPMI09DS0 |
933G PEERLESS NETWORK OF MICHIGAN, LLC - MI |
348 |
|
2018-12-28 |
|
| 231-464
| 2 |
Freesoil |
MI |
|
792K CHARTER IP ENABLED SERVICES, LLC |
348 |
|
2021-06-10 |
|
| 231-464
| 3 |
Freesoil |
MI |
TRCYMIMNWMD |
508J CENTURYLINK COMMUNICATIONS, LLC |
348 |
|
2017-10-04 |
|
| 231-464
| 5 |
Freesoil |
MI |
FONTMIMNRSA |
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-464
| 6 |
Freesoil |
MI |
GDRPMIQLX5Y |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
348 |
|
2006-11-08 |
|
| 231-464
| 7 |
Freesoil |
MI |
GDRPMIBL00Z |
991E BANDWIDTH.COM CLEC, LLC - MI |
348 |
|
2021-09-04 |
|
| 231-465
| A |
Reed City |
MI |
WYNGMIKAGT2 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
|
|
| 231-465
| 0 |
Reed City |
MI |
WYNGMIKAGT2 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
|
|
| 231-465
| 1 |
Reed City |
MI |
GDRPMIBL00Z |
991E BANDWIDTH.COM CLEC, LLC - MI |
348 |
|
2011-03-24 |
|
| 231-465
| 2 |
Reed City |
MI |
GDRPMIBLXTZ |
3535 ACD TELECOM, INC. - MI |
348 |
|
2005-02-18 |
|
| 231-465
| 3 |
Reed City |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2013-01-05 |
|
| 231-465
| 4 |
Reed City |
MI |
|
792K CHARTER IP ENABLED SERVICES, LLC |
348 |
|
2007-02-25 |
|
| 231-465
| 5 |
Reed City |
MI |
GDRPMIBL00Z |
991E BANDWIDTH.COM CLEC, LLC - MI |
348 |
|
2011-04-12 |
|
| 231-465
| 6 |
Reed City |
MI |
BRSPMI09DS0 |
933G PEERLESS NETWORK OF MICHIGAN, LLC - MI |
348 |
|
2015-12-24 |
|
| 231-465
| 7 |
Reed City |
MI |
BRSPMI09DS0 |
933G PEERLESS NETWORK OF MICHIGAN, LLC - MI |
348 |
|
2018-12-14 |
|
| 231-465
| 8 |
Reed City |
MI |
GDRQMIBODS0 |
7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
348 |
|
2016-05-02 |
|
| 231-465
| 9 |
Reed City |
MI |
|
515J IP HORIZON LLC |
348 |
|
2021-12-31 |
|
| 231-466
| A |
Evart |
MI |
GDRPMIBL36Z |
624H ONVOY SPECTRUM, LLC |
348 |
|
|
|
| 231-466
| 0 |
Evart |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2023-08-06 |
|
| 231-466
| 1 |
Evart |
MI |
GDRPMIBL15Z |
516C AT&T CORP. |
348 |
|
2023-09-25 |
|
| 231-466
| 3 |
Evart |
MI |
BRSPMI097MD |
516J TON80 COMMUNICATIONS, LLC |
348 |
|
2021-09-05 |
|
| 231-466
| 4 |
Evart |
MI |
GDRPMIBL36Z |
624H ONVOY SPECTRUM, LLC |
348 |
|
2021-09-04 |
|
| 231-466
| 7 |
Evart |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2022-04-01 |
|
| 231-466
| 9 |
Evart |
MI |
BRSPMI09DS0 |
933G PEERLESS NETWORK OF MICHIGAN, LLC - MI |
348 |
|
2023-10-28 |
|
| 231-468
| A |
Cadillac |
MI |
GDRPMIBL31Z |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
348 |
|
|
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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