Local Calling Guide
Area code/prefix search
NPA: 231
[Rate centres in NPA 231]
[Dial plan for NPA 231]
NXX: 538
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
231-538
| A |
Fremont |
MI |
GDRPMIBLX8Z |
2550 123.NET, INC. |
348 |
|
|
|
231-538
| 0 |
Fremont |
MI |
GDRPMIBLX8Z |
2550 123.NET, INC. |
348 |
|
|
|
231-538
| 1 |
Fremont |
MI |
BRSPMI09DS0 |
933G PEERLESS NETWORK OF MICHIGAN, LLC - MI |
348 |
|
2015-12-22 |
|
231-538
| 2 |
Fremont |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2016-02-22 |
|
231-538
| 3 |
Fremont |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2016-02-22 |
|
231-538
| 4 |
Fremont |
MI |
GDRPMIQLX5Y |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
348 |
|
2012-02-23 |
|
231-538
| 5 |
Fremont |
MI |
GDRPMIBL06Z |
770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI |
348 |
|
2013-08-06 |
|
231-538
| 6 |
Fremont |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2016-04-28 |
|
231-538
| 7 |
Fremont |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2016-04-28 |
|
231-538
| 8 |
Fremont |
MI |
GDRPMIBL00Z |
991E BANDWIDTH.COM CLEC, LLC - MI |
348 |
|
2016-08-22 |
|
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
Sponsored by: VoIP Much Phone Company
Like this site? We accept donations via PayPal.