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 |
| 231-259
| 6 |
Shelby |
MI |
|
770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI |
348 |
|
2016-03-21 |
|
| 231-259
| 7 |
Shelby |
MI |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
348 |
|
2017-10-05 |
|
| 231-259
| 8 |
Shelby |
MI |
|
991E BANDWIDTH.COM CLEC, LLC - MI |
348 |
|
2019-09-05 |
|
| 231-259
| 9 |
Shelby |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2013-03-18 |
|
| 231-260
| A |
Muskegon |
MI |
GDRPMIBL31Z |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
348 |
|
|
|
| 231-260
| 0 |
Muskegon |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2017-06-19 |
|
| 231-260
| 1 |
Muskegon |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2017-06-19 |
|
| 231-260
| 2 |
Muskegon |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2017-06-19 |
|
| 231-260
| 3 |
Muskegon |
MI |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2018-10-18 |
|
| 231-260
| 4 |
Muskegon |
MI |
|
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
348 |
|
2020-07-06 |
|
| 231-260
| 5 |
Muskegon |
MI |
|
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
348 |
|
2020-07-06 |
|
| 231-260
| 6 |
Muskegon |
MI |
|
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
348 |
|
2017-04-30 |
|
| 231-260
| 7 |
Muskegon |
MI |
|
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
348 |
|
2017-04-30 |
|
| 231-260
| 8 |
Muskegon |
MI |
|
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
348 |
|
2017-04-30 |
|
| 231-260
| 9 |
Muskegon |
MI |
|
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
348 |
|
2017-04-30 |
|
| 231-261
| A |
Ludington |
MI |
MSKGMIXK5MD |
116F PENINSULA FIBER NETWORK, LLC - MI |
348 |
|
|
|
| 231-261
| 0 |
Ludington |
MI |
|
116F PENINSULA FIBER NETWORK, LLC - MI |
348 |
|
2019-02-21 |
|
| 231-261
| 1 |
Ludington |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2020-06-14 |
|
| 231-261
| 2 |
Ludington |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2020-06-14 |
|
| 231-261
| 3 |
Ludington |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2021-06-17 |
|
| 231-261
| 4 |
Ludington |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2021-02-04 |
|
| 231-261
| 5 |
Ludington |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2021-02-04 |
|
| 231-261
| 6 |
Ludington |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2021-02-04 |
|
| 231-261
| 7 |
Ludington |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2020-09-12 |
|
| 231-261
| 8 |
Ludington |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2020-09-12 |
|
| 231-261
| 9 |
Ludington |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2021-06-17 |
|
| 231-262
| A |
Elmira |
MI |
GDRPMIBLXTZ |
3535 ACD TELECOM, INC. - MI |
348 |
|
|
|
| 231-262
| 0 |
Elmira |
MI |
|
933G PEERLESS NETWORK OF MICHIGAN, LLC - MI |
348 |
|
2015-12-21 |
|
| 231-262
| 1 |
Elmira |
MI |
|
792K CHARTER IP ENABLED SERVICES, LLC |
348 |
|
2012-10-05 |
|
| 231-262
| 2 |
Elmira |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2020-02-25 |
|
| 231-262
| 3 |
Elmira |
MI |
|
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
348 |
|
2020-11-09 |
|
| 231-262
| 4 |
Elmira |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2021-07-22 |
|
| 231-262
| 5 |
Elmira |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2020-05-09 |
|
| 231-262
| 6 |
Elmira |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2019-09-05 |
|
| 231-262
| 7 |
Elmira |
MI |
|
3535 ACD TELECOM, INC. - MI |
348 |
|
2005-03-14 |
|
| 231-262
| 8 |
Elmira |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2020-12-28 |
|
| 231-262
| 9 |
Elmira |
MI |
|
543C ONVOY, LLCV - MI |
348 |
|
2020-12-28 |
|
| 231-263
| A |
Kingsley |
MI |
KGSLMIXIDS0 |
0705 BRIGHTSPEED OF NORTHERN MICHIGAN, INC |
348 |
|
|
|
| 231-263
| 0 |
Kingsley |
MI |
|
0705 BRIGHTSPEED OF NORTHERN MICHIGAN, INC |
348 |
|
|
|
| 231-263
| 1 |
Kingsley |
MI |
|
0705 BRIGHTSPEED OF NORTHERN MICHIGAN, INC |
348 |
|
|
|
| 231-263
| 2 |
Kingsley |
MI |
|
0705 BRIGHTSPEED OF NORTHERN MICHIGAN, INC |
348 |
|
|
|
| 231-263
| 3 |
Kingsley |
MI |
|
0705 BRIGHTSPEED OF NORTHERN MICHIGAN, INC |
348 |
|
|
|
| 231-263
| 4 |
Kingsley |
MI |
|
0705 BRIGHTSPEED OF NORTHERN MICHIGAN, INC |
348 |
|
|
|
| 231-263
| 5 |
Kingsley |
MI |
|
0705 BRIGHTSPEED OF NORTHERN MICHIGAN, INC |
348 |
|
|
|
| 231-263
| 6 |
Kingsley |
MI |
|
0705 BRIGHTSPEED OF NORTHERN MICHIGAN, INC |
348 |
|
|
|
| 231-263
| 7 |
Kingsley |
MI |
|
0705 BRIGHTSPEED OF NORTHERN MICHIGAN, INC |
348 |
|
|
|
| 231-263
| 8 |
Kingsley |
MI |
|
792K CHARTER IP ENABLED SERVICES, LLC |
348 |
|
2013-03-13 |
|
| 231-263
| 9 |
Kingsley |
MI |
|
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
348 |
|
2016-08-06 |
|
| 231-264
| A |
Elk Rapids |
MI |
ELKRMIMNDS0 |
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-264
| 0 |
Elk Rapids |
MI |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
<< 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 >>
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
Sponsored by: VoIP Much Phone Company
Like this site? We accept donations via PayPal.