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 |
| 231-916
| A |
Mancelona |
MI |
GDRPMIQLX5Y |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
348 |
|
|
|
| 231-916
| 0 |
Mancelona |
MI |
|
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
348 |
|
|
|
| 231-916
| 1 |
Mancelona |
MI |
|
3535 ACD TELECOM, INC. - MI |
348 |
|
2005-02-11 |
|
| 231-916
| 2 |
Mancelona |
MI |
|
792K CHARTER IP ENABLED SERVICES, LLC |
348 |
|
2007-02-25 |
|
| 231-916
| 3 |
Mancelona |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2012-06-01 |
|
| 231-916
| 4 |
Mancelona |
MI |
|
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
348 |
|
2004-07-17 |
|
| 231-916
| 5 |
Mancelona |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2013-01-03 |
|
| 231-916
| 6 |
Mancelona |
MI |
|
829J PAETEC ITEL, LLC |
348 |
|
2004-02-10 |
|
| 231-916
| 7 |
Mancelona |
MI |
|
516C AT&T CORP. |
348 |
|
2013-02-22 |
|
| 231-916
| 9 |
Mancelona |
MI |
|
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
348 |
|
|
|
| 231-920
| A |
Cadillac |
MI |
WYNGMIKAGT2 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
|
|
| 231-922
| A |
Traverse City |
MI |
TRCYMIMNDS1 |
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-923
| A |
Hart |
MI |
GDRPMIBL31Z |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
348 |
|
|
|
| 231-923
| 0 |
Hart |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2013-10-02 |
|
| 231-923
| 1 |
Hart |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2018-10-08 |
|
| 231-923
| 2 |
Hart |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2014-07-07 |
|
| 231-923
| 3 |
Hart |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2012-02-12 |
|
| 231-923
| 4 |
Hart |
MI |
|
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
348 |
|
2004-07-17 |
|
| 231-923
| 5 |
Hart |
MI |
|
691A DAYSTARR, LLC DBA DAYSTARR COMMUNICATIONS - MI |
348 |
|
2007-04-30 |
|
| 231-923
| 6 |
Hart |
MI |
|
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
348 |
|
2005-06-20 |
|
| 231-923
| 7 |
Hart |
MI |
|
770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI |
348 |
|
2013-08-06 |
|
| 231-923
| 8 |
Hart |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2011-10-12 |
|
| 231-923
| 9 |
Hart |
MI |
|
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
348 |
|
2006-06-17 |
|
| 231-924
| A |
Fremont |
MI |
FRMTMIMNRSA |
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-925
| A |
Scottville |
MI |
GDRPMIBLX8Z |
2550 123.NET, LLC |
348 |
|
|
|
| 231-925
| 0 |
Scottville |
MI |
|
2550 123.NET, LLC |
348 |
|
|
|
| 231-925
| 1 |
Scottville |
MI |
|
2550 123.NET, LLC |
348 |
|
|
|
| 231-925
| 5 |
Scottville |
MI |
|
145J TERRA NOVA TELECOM INC. |
348 |
|
2024-02-15 |
|
| 231-925
| 7 |
Scottville |
MI |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
348 |
|
2017-10-05 |
|
| 231-928
| A |
Fremont |
MI |
FRMTMIMNRSA |
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-928
| 0 |
Fremont |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-928
| 1 |
Fremont |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-928
| 2 |
Fremont |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-928
| 3 |
Fremont |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-928
| 4 |
Fremont |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-928
| 5 |
Fremont |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2012-02-22 |
|
| 231-928
| 6 |
Fremont |
MI |
|
9245 CYNERGYCOMM.NET, INC. - MI |
348 |
|
2005-08-28 |
|
| 231-928
| 7 |
Fremont |
MI |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
348 |
|
2015-09-17 |
|
| 231-928
| 8 |
Fremont |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2013-03-18 |
|
| 231-928
| 9 |
Fremont |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2015-09-10 |
|
| 231-929
| A |
Traverse City |
MI |
TRCYMIMNDS1 |
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-930
| A |
Beulah |
MI |
GDRPMIBLXTZ |
3535 ACD TELECOM, INC. - MI |
348 |
|
|
|
| 231-930
| 0 |
Beulah |
MI |
|
3535 ACD TELECOM, INC. - MI |
348 |
|
|
|
| 231-930
| 1 |
Beulah |
MI |
|
3535 ACD TELECOM, INC. - MI |
348 |
|
2004-10-23 |
|
| 231-930
| 2 |
Beulah |
MI |
|
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
348 |
|
2007-04-20 |
|
| 231-930
| 3 |
Beulah |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2012-06-01 |
|
| 231-930
| 4 |
Beulah |
MI |
|
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
348 |
|
2004-07-16 |
|
| 231-930
| 5 |
Beulah |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2016-04-11 |
|
| 231-930
| 6 |
Beulah |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2016-04-11 |
|
| 231-930
| 7 |
Beulah |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2007-02-01 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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