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 |
| 231-942
| A |
Cadillac |
MI |
GDRQMIBODMD |
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
|
|
| 231-942
| 0 |
Cadillac |
MI |
|
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
348 |
|
2018-12-03 |
|
| 231-942
| 1 |
Cadillac |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2006-05-21 |
|
| 231-942
| 2 |
Cadillac |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2009-10-19 |
|
| 231-942
| 3 |
Cadillac |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2009-10-19 |
|
| 231-942
| 4 |
Cadillac |
MI |
|
991E BANDWIDTH.COM CLEC, LLC - MI |
348 |
|
2011-08-15 |
|
| 231-942
| 5 |
Cadillac |
MI |
|
516C AT&T CORP. |
348 |
|
2011-08-23 |
|
| 231-942
| 6 |
Cadillac |
MI |
|
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
348 |
|
2011-09-12 |
|
| 231-942
| 7 |
Cadillac |
MI |
|
770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI |
348 |
|
2008-09-19 |
|
| 231-942
| 8 |
Cadillac |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2007-02-01 |
|
| 231-942
| 9 |
Cadillac |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2007-02-01 |
|
| 231-943
| A |
Traverse City |
MI |
GRWNMIMNRS0 |
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-943
| 0 |
Traverse City |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-943
| 1 |
Traverse City |
MI |
|
792K CHARTER IP ENABLED SERVICES, LLC |
348 |
|
2012-09-03 |
|
| 231-943
| 2 |
Traverse City |
MI |
|
792K CHARTER IP ENABLED SERVICES, LLC |
348 |
|
2013-06-07 |
|
| 231-943
| 3 |
Traverse City |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-943
| 4 |
Traverse City |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-943
| 5 |
Traverse City |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-943
| 6 |
Traverse City |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2021-01-08 |
|
| 231-943
| 7 |
Traverse City |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-943
| 8 |
Traverse City |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-943
| 9 |
Traverse City |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-944
| A |
Traverse City |
MI |
PTSKMICSDS0 |
9245 CYNERGYCOMM.NET, INC. - MI |
348 |
|
|
|
| 231-944
| 0 |
Traverse City |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2008-09-18 |
|
| 231-944
| 1 |
Traverse City |
MI |
|
9245 CYNERGYCOMM.NET, INC. - MI |
348 |
|
2004-03-31 |
|
| 231-944
| 2 |
Traverse City |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2004-09-24 |
|
| 231-944
| 3 |
Traverse City |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2004-09-24 |
|
| 231-944
| 4 |
Traverse City |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2004-09-24 |
|
| 231-944
| 5 |
Traverse City |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2008-09-18 |
|
| 231-944
| 6 |
Traverse City |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2008-07-06 |
|
| 231-944
| 7 |
Traverse City |
MI |
|
770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI |
348 |
|
2007-12-03 |
|
| 231-944
| 8 |
Traverse City |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2007-02-01 |
|
| 231-944
| 9 |
Traverse City |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2007-02-01 |
|
| 231-946
| A |
Traverse City |
MI |
TRCYMIMNDS1 |
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-947
| A |
Traverse City |
MI |
TRCYMIMNDS1 |
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-955
| A |
Muskegon |
MI |
WYNGMIKAGT2 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
|
|
| 231-955
| 0 |
Muskegon |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
|
|
| 231-955
| 1 |
Muskegon |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2009-08-26 |
|
| 231-955
| 2 |
Muskegon |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2009-08-26 |
|
| 231-955
| 3 |
Muskegon |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2009-09-13 |
|
| 231-955
| 4 |
Muskegon |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2009-09-13 |
|
| 231-955
| 5 |
Muskegon |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2009-09-13 |
|
| 231-955
| 6 |
Muskegon |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2009-03-20 |
|
| 231-955
| 7 |
Muskegon |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2009-08-09 |
|
| 231-955
| 8 |
Muskegon |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2009-11-13 |
|
| 231-955
| 9 |
Muskegon |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2009-11-13 |
|
| 231-963
| A |
McBain |
MI |
BRSPMI097MD |
516J TON80 COMMUNICATIONS, LLC |
348 |
|
|
|
| 231-963
| 6 |
McBain |
MI |
|
516J TON80 COMMUNICATIONS, LLC |
348 |
|
2022-04-30 |
|
| 231-966
| A |
Freesoil |
MI |
BRSPMI097MD |
516J TON80 COMMUNICATIONS, LLC |
348 |
|
|
|
| 231-966
| 6 |
Freesoil |
MI |
|
516J TON80 COMMUNICATIONS, LLC |
348 |
|
2022-04-23 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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