Local Calling Guide
Area code/prefix search
NPA: 231
[Rate centres in NPA 231]
[Dial plan for NPA 231]
NXX: 640
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 231-640
| A |
Lake Ann |
MI |
WYNGMIKAGT2 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
|
|
| 231-640
| 0 |
Lake Ann |
MI |
WYNGMIKAGT2 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
|
|
| 231-640
| 1 |
Lake Ann |
MI |
GDRPMIBLXTZ |
3535 ACD TELECOM, INC. - MI |
348 |
|
2005-02-11 |
|
| 231-640
| 2 |
Lake Ann |
MI |
GFTPMIEF1MD |
351D CHARTER FIBERLINK - MICHIGAN, LLC - MI |
348 |
|
2012-10-05 |
|
| 231-640
| 3 |
Lake Ann |
MI |
GDRPMIBL36Z |
624H ONVOY SPECTRUM, LLC |
348 |
|
2021-06-19 |
|
| 231-640
| 4 |
Lake Ann |
MI |
WYNGMIKAGT2 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2009-06-14 |
|
| 231-640
| 5 |
Lake Ann |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2019-09-05 |
|
| 231-640
| 6 |
Lake Ann |
MI |
GDRPMIQLX5Y |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
348 |
|
2017-06-21 |
|
| 231-640
| 7 |
Lake Ann |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2020-11-21 |
|
| 231-640
| 8 |
Lake Ann |
MI |
GDRPMIBL04Z |
543C ONVOY, LLCV - MI |
348 |
|
2020-11-21 |
|
| 231-640
| 9 |
Lake Ann |
MI |
WYNGMIKAGT2 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2016-03-11 |
|
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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