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 |
| 231-264
| 1 |
Elk Rapids |
MI |
|
3535 ACD TELECOM, INC. - MI |
348 |
|
2004-10-22 |
|
| 231-264
| 2 |
Elk Rapids |
MI |
|
933G PEERLESS NETWORK OF MICHIGAN, LLC - MI |
348 |
|
2015-12-21 |
|
| 231-264
| 3 |
Elk Rapids |
MI |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
348 |
|
2015-09-17 |
|
| 231-264
| 4 |
Elk Rapids |
MI |
|
829J PAETEC ITEL, LLC |
348 |
|
2004-02-02 |
|
| 231-264
| 5 |
Elk Rapids |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-264
| 6 |
Elk Rapids |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-264
| 7 |
Elk Rapids |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2013-04-01 |
|
| 231-264
| 8 |
Elk Rapids |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-264
| 9 |
Elk Rapids |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-265
| A |
Coral |
MI |
|
792K CHARTER IP ENABLED SERVICES, LLC |
348 |
|
|
|
| 231-265
| 0 |
Coral |
MI |
|
933G PEERLESS NETWORK OF MICHIGAN, LLC - MI |
348 |
|
2015-12-21 |
|
| 231-265
| 1 |
Coral |
MI |
|
792K CHARTER IP ENABLED SERVICES, LLC |
348 |
|
2014-07-03 |
|
| 231-265
| 2 |
Coral |
MI |
|
933G PEERLESS NETWORK OF MICHIGAN, LLC - MI |
348 |
|
2019-06-19 |
|
| 231-265
| 3 |
Coral |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2016-03-23 |
|
| 231-265
| 4 |
Coral |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2016-03-23 |
|
| 231-265
| 5 |
Coral |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2021-04-25 |
|
| 231-265
| 6 |
Coral |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2021-07-11 |
|
| 231-265
| 7 |
Coral |
MI |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
348 |
|
2015-09-17 |
|
| 231-265
| 8 |
Coral |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2014-10-25 |
|
| 231-266
| A |
Irons |
MI |
IRONMIIRRS1 |
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-266
| 0 |
Irons |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2015-08-02 |
|
| 231-266
| 1 |
Irons |
MI |
|
3535 ACD TELECOM, INC. - MI |
348 |
|
2005-02-11 |
|
| 231-266
| 2 |
Irons |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-266
| 3 |
Irons |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2013-03-18 |
|
| 231-266
| 4 |
Irons |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2016-04-14 |
|
| 231-266
| 5 |
Irons |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-266
| 6 |
Irons |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2016-04-14 |
|
| 231-266
| 7 |
Irons |
MI |
|
933G PEERLESS NETWORK OF MICHIGAN, LLC - MI |
348 |
|
2019-09-13 |
|
| 231-266
| 8 |
Irons |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-266
| 9 |
Irons |
MI |
|
933G PEERLESS NETWORK OF MICHIGAN, LLC - MI |
348 |
|
2015-12-22 |
|
| 231-267
| A |
Williamsburg |
MI |
WLBGMIWBRSA |
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-267
| 0 |
Williamsburg |
MI |
|
3535 ACD TELECOM, INC. - MI |
348 |
|
2005-02-18 |
|
| 231-267
| 1 |
Williamsburg |
MI |
|
817J INTERACTIVE SERVICES NETWORK, INC. |
348 |
|
2005-09-02 |
|
| 231-267
| 2 |
Williamsburg |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2021-05-10 |
|
| 231-267
| 3 |
Williamsburg |
MI |
|
792K CHARTER IP ENABLED SERVICES, LLC |
348 |
|
2007-02-25 |
|
| 231-267
| 4 |
Williamsburg |
MI |
|
7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
348 |
|
2009-12-01 |
|
| 231-267
| 5 |
Williamsburg |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-267
| 6 |
Williamsburg |
MI |
|
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
348 |
|
2004-11-14 |
|
| 231-267
| 7 |
Williamsburg |
MI |
|
829J PAETEC ITEL, LLC |
348 |
|
2004-02-12 |
|
| 231-267
| 8 |
Williamsburg |
MI |
|
991E BANDWIDTH.COM CLEC, LLC - MI |
348 |
|
2011-12-30 |
|
| 231-267
| 9 |
Williamsburg |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-268
| A |
Cheboygan |
MI |
GDRQMIBODMD |
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
|
|
| 231-268
| 0 |
Cheboygan |
MI |
|
991E BANDWIDTH.COM CLEC, LLC - MI |
348 |
|
2011-06-12 |
|
| 231-268
| 1 |
Cheboygan |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
|
|
| 231-268
| 2 |
Cheboygan |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2025-04-24 |
|
| 231-268
| 3 |
Cheboygan |
MI |
|
792K CHARTER IP ENABLED SERVICES, LLC |
348 |
|
2008-05-15 |
|
| 231-268
| 4 |
Cheboygan |
MI |
|
991E BANDWIDTH.COM CLEC, LLC - MI |
348 |
|
2010-10-08 |
|
| 231-268
| 5 |
Cheboygan |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2008-08-11 |
|
| 231-268
| 6 |
Cheboygan |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2008-08-11 |
|
| 231-268
| 7 |
Cheboygan |
MI |
|
991E BANDWIDTH.COM CLEC, LLC - MI |
348 |
|
2011-08-21 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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