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 |
| 231-834
| 6 |
Grant |
MI |
|
490J DISH WIRELESS, LLC |
348 |
|
2024-07-07 |
|
| 231-834
| 7 |
Grant |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-834
| 8 |
Grant |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-834
| 9 |
Grant |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-835
| A |
Glen Lake |
MI |
WYNGMIKAGT2 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
|
|
| 231-835
| 0 |
Glen Lake |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
|
|
| 231-835
| 1 |
Glen Lake |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2011-07-01 |
|
| 231-835
| 2 |
Glen Lake |
MI |
|
792K CHARTER IP ENABLED SERVICES, LLC |
348 |
|
2012-10-05 |
|
| 231-835
| 3 |
Glen Lake |
MI |
|
770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI |
348 |
|
2015-12-10 |
|
| 231-835
| 4 |
Glen Lake |
MI |
|
3535 ACD TELECOM, INC. - MI |
348 |
|
2005-02-11 |
|
| 231-835
| 5 |
Glen Lake |
MI |
|
792K CHARTER IP ENABLED SERVICES, LLC |
348 |
|
2018-08-22 |
|
| 231-835
| 6 |
Glen Lake |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2021-03-27 |
|
| 231-835
| 7 |
Glen Lake |
MI |
|
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
348 |
|
2015-07-30 |
|
| 231-835
| 8 |
Glen Lake |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2019-09-05 |
|
| 231-835
| 9 |
Glen Lake |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2021-03-27 |
|
| 231-836
| A |
Evart |
MI |
GDRPMIBLX8Z |
2550 123.NET, LLC |
348 |
|
|
|
| 231-837
| A |
Fremont |
MI |
GDRPMIBLXGZ |
9748 AMERICAN MESSAGING SERVICES, LLC |
348 |
|
|
|
| 231-838
| A |
Petoskey |
MI |
WYNGMIKAGT2 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
|
|
| 231-839
| A |
Lake City |
MI |
LKCYMIXIDS1 |
0702 BRIGHTSPEED OF MICHIGAN, LLC |
348 |
|
|
|
| 231-842
| A |
Cadillac |
MI |
GDRPMIBLX8Z |
2550 123.NET, LLC |
348 |
|
|
|
| 231-843
| A |
Ludington |
MI |
LDNGMIXGDS0 |
0695 FRONTIER NORTH, INC. - MI |
348 |
|
|
|
| 231-844
| A |
Indian River |
MI |
GDRPMIQLX5Y |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
348 |
|
|
|
| 231-844
| 0 |
Indian River |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2016-04-15 |
|
| 231-844
| 1 |
Indian River |
MI |
|
3535 ACD TELECOM, INC. - MI |
348 |
|
2005-02-11 |
|
| 231-844
| 2 |
Indian River |
MI |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
348 |
|
2015-09-15 |
|
| 231-844
| 3 |
Indian River |
MI |
|
817J INTERACTIVE SERVICES NETWORK, INC. |
348 |
|
2005-09-02 |
|
| 231-844
| 4 |
Indian River |
MI |
|
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
348 |
|
2004-07-17 |
|
| 231-844
| 5 |
Indian River |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2016-04-15 |
|
| 231-844
| 6 |
Indian River |
MI |
|
770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI |
348 |
|
2016-10-21 |
|
| 231-844
| 7 |
Indian River |
MI |
|
933G PEERLESS NETWORK OF MICHIGAN, LLC - MI |
348 |
|
2024-04-13 |
|
| 231-844
| 8 |
Indian River |
MI |
|
829J PAETEC ITEL, LLC |
348 |
|
2004-02-03 |
|
| 231-844
| 9 |
Indian River |
MI |
|
991E BANDWIDTH.COM CLEC, LLC - MI |
348 |
|
2011-04-12 |
|
| 231-845
| A |
Ludington |
MI |
LDNGMIXGDS0 |
0695 FRONTIER NORTH, INC. - MI |
348 |
|
|
|
| 231-846
| A |
Cadillac |
MI |
GDRPMIBL31Z |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
348 |
|
|
|
| 231-846
| 0 |
Cadillac |
MI |
|
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
348 |
|
|
|
| 231-846
| 1 |
Cadillac |
MI |
|
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
348 |
|
|
|
| 231-846
| 2 |
Cadillac |
MI |
|
9245 CYNERGYCOMM.NET, INC. - MI |
348 |
|
2005-08-28 |
|
| 231-846
| 3 |
Cadillac |
MI |
|
991E BANDWIDTH.COM CLEC, LLC - MI |
348 |
|
2010-02-22 |
|
| 231-846
| 4 |
Cadillac |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2011-07-15 |
|
| 231-846
| 5 |
Cadillac |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2014-10-10 |
|
| 231-846
| 6 |
Cadillac |
MI |
|
145J TERRA NOVA TELECOM INC. |
348 |
|
2023-11-13 |
|
| 231-846
| 7 |
Cadillac |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2014-10-10 |
|
| 231-846
| 8 |
Cadillac |
MI |
|
991E BANDWIDTH.COM CLEC, LLC - MI |
348 |
|
2009-03-07 |
|
| 231-846
| 9 |
Cadillac |
MI |
|
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
348 |
|
2012-07-24 |
|
| 231-848
| A |
Wellston |
MI |
KLVAMIXIDS0 |
0703 KALEVA TEL. CO. |
348 |
|
|
|
| 231-852
| A |
Ludington |
MI |
WYNGMIKAGT2 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
|
|
| 231-852
| 0 |
Ludington |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
|
|
| 231-852
| 3 |
Ludington |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2011-09-02 |
|
| 231-852
| 4 |
Ludington |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
|
|
| 231-852
| 8 |
Ludington |
MI |
|
145J TERRA NOVA TELECOM INC. |
348 |
|
2025-07-12 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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