Local Calling Guide
Area code/prefix search
NPA: 231
[Rate centres in NPA 231]
[Dial plan for NPA 231]
NXX: 900
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 231-900
| A |
Muskegon |
MI |
BRSPMI095MD |
965H FRACTEL, LLC |
348 |
|
|
|
| 231-900
| 0 |
Muskegon |
MI |
BRSPMI095MD |
965H FRACTEL, LLC |
348 |
|
2019-07-07 |
|
| 231-900
| 1 |
Muskegon |
MI |
GDRPMIBL00Z |
991E BANDWIDTH.COM CLEC, LLC - MI |
348 |
|
2019-07-08 |
|
| 231-900
| 2 |
Muskegon |
MI |
MSKGMIXKQMD |
624H ONVOY SPECTRUM, LLC |
348 |
|
2021-07-11 |
|
| 231-900
| 3 |
Muskegon |
MI |
GDRPMIBL40Z |
318J COMCAST IP PHONE, LLC |
348 |
|
2020-11-12 |
|
| 231-900
| 4 |
Muskegon |
MI |
GDRPMIQLX5Y |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
348 |
|
2020-06-28 |
|
| 231-900
| 5 |
Muskegon |
MI |
MSKGMIXKQMD |
624H ONVOY SPECTRUM, LLC |
348 |
|
2020-07-07 |
|
| 231-900
| 6 |
Muskegon |
MI |
MSKGMIXKQMD |
624H ONVOY SPECTRUM, LLC |
348 |
|
2020-07-07 |
|
| 231-900
| 7 |
Muskegon |
MI |
MSKGMIXKQMD |
624H ONVOY SPECTRUM, LLC |
348 |
|
2020-07-07 |
|
| 231-900
| 8 |
Muskegon |
MI |
WYNGMIKAGT2 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
348 |
|
2019-12-24 |
|
| 231-900
| 9 |
Muskegon |
MI |
BRSPMI095MD |
965H FRACTEL, LLC |
348 |
|
2019-07-07 |
|
Last updated: Sun, 27 Apr 2025 12:48:38 UTC
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