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 |
| 231-887
| 0 |
Manistee |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
|
|
| 231-887
| 1 |
Manistee |
MI |
|
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
348 |
|
2007-10-16 |
|
| 231-887
| 2 |
Manistee |
MI |
|
3535 ACD TELECOM, INC. - MI |
348 |
|
2005-02-11 |
|
| 231-887
| 3 |
Manistee |
MI |
|
9245 CYNERGYCOMM.NET, INC. - MI |
348 |
|
2005-08-28 |
|
| 231-887
| 4 |
Manistee |
MI |
|
792K CHARTER IP ENABLED SERVICES, LLC |
348 |
|
2007-02-25 |
|
| 231-887
| 5 |
Manistee |
MI |
|
770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI |
348 |
|
2012-01-06 |
|
| 231-887
| 6 |
Manistee |
MI |
|
392F KALEVA TELEPHONE COMPANY - MI |
348 |
|
2008-06-29 |
|
| 231-887
| 7 |
Manistee |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2007-02-01 |
|
| 231-887
| 8 |
Manistee |
MI |
|
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
348 |
|
2025-09-27 |
|
| 231-887
| 9 |
Manistee |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2007-02-01 |
|
| 231-888
| A |
Twin Lake |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
|
|
| 231-888
| 0 |
Twin Lake |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2016-02-24 |
|
| 231-888
| 1 |
Twin Lake |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2016-02-24 |
|
| 231-888
| 2 |
Twin Lake |
MI |
|
991E BANDWIDTH.COM CLEC, LLC - MI |
348 |
|
2019-05-20 |
|
| 231-888
| 3 |
Twin Lake |
MI |
|
624H ONVOY SPECTRUM, LLC |
348 |
|
2021-06-20 |
|
| 231-888
| 4 |
Twin Lake |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2018-04-15 |
|
| 231-888
| 5 |
Twin Lake |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2018-04-15 |
|
| 231-888
| 6 |
Twin Lake |
MI |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
348 |
|
2015-09-19 |
|
| 231-888
| 7 |
Twin Lake |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2015-08-15 |
|
| 231-888
| 8 |
Twin Lake |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2015-08-15 |
|
| 231-889
| A |
Onekama |
MI |
ONKMMIMNRSA |
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-889
| 0 |
Onekama |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-889
| 1 |
Onekama |
MI |
|
3535 ACD TELECOM, INC. - MI |
348 |
|
2005-02-17 |
|
| 231-889
| 2 |
Onekama |
MI |
|
624H ONVOY SPECTRUM, LLC |
348 |
|
2021-06-20 |
|
| 231-889
| 3 |
Onekama |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-889
| 4 |
Onekama |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-889
| 5 |
Onekama |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-889
| 6 |
Onekama |
MI |
|
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
348 |
|
2006-05-31 |
|
| 231-889
| 7 |
Onekama |
MI |
|
792K CHARTER IP ENABLED SERVICES, LLC |
348 |
|
2007-02-25 |
|
| 231-889
| 8 |
Onekama |
MI |
|
829J PAETEC ITEL, LLC |
348 |
|
2004-02-12 |
|
| 231-889
| 9 |
Onekama |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-890
| A |
Traverse City |
MI |
TRCYMIMNDS1 |
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-893
| A |
Whitehall |
MI |
WHTHMIXGDS0 |
0695 FRONTIER NORTH, INC. - MI |
348 |
|
|
|
| 231-894
| A |
Whitehall |
MI |
WHTHMIXGDS0 |
0695 FRONTIER NORTH, INC. - MI |
348 |
|
|
|
| 231-894
| 0 |
Whitehall |
MI |
|
792K CHARTER IP ENABLED SERVICES, LLC |
348 |
|
2007-02-25 |
|
| 231-894
| 1 |
Whitehall |
MI |
|
0695 FRONTIER NORTH, INC. - MI |
348 |
|
|
|
| 231-894
| 2 |
Whitehall |
MI |
|
0695 FRONTIER NORTH, INC. - MI |
348 |
|
|
|
| 231-894
| 3 |
Whitehall |
MI |
|
0695 FRONTIER NORTH, INC. - MI |
348 |
|
|
|
| 231-894
| 4 |
Whitehall |
MI |
|
0695 FRONTIER NORTH, INC. - MI |
348 |
|
|
|
| 231-894
| 5 |
Whitehall |
MI |
|
0695 FRONTIER NORTH, INC. - MI |
348 |
|
|
|
| 231-894
| 6 |
Whitehall |
MI |
|
0695 FRONTIER NORTH, INC. - MI |
348 |
|
|
|
| 231-894
| 7 |
Whitehall |
MI |
|
0695 FRONTIER NORTH, INC. - MI |
348 |
|
|
|
| 231-894
| 8 |
Whitehall |
MI |
|
0695 FRONTIER NORTH, INC. - MI |
348 |
|
|
|
| 231-894
| 9 |
Whitehall |
MI |
|
0695 FRONTIER NORTH, INC. - MI |
348 |
|
|
|
| 231-898
| A |
Carr |
MI |
CARRMIXADS0 |
0683 CARR TEL. CO. |
348 |
|
|
|
| 231-898
| 0 |
Carr |
MI |
|
0683 CARR TEL. CO. |
348 |
|
|
|
| 231-898
| 1 |
Carr |
MI |
|
0683 CARR TEL. CO. |
348 |
|
|
|
| 231-898
| 2 |
Carr |
MI |
|
0683 CARR TEL. CO. |
348 |
|
|
|
| 231-898
| 3 |
Carr |
MI |
|
0683 CARR TEL. CO. |
348 |
|
|
|
| 231-898
| 4 |
Carr |
MI |
|
0683 CARR TEL. CO. |
348 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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