Local Calling Guide
Area code/prefix search
Whitehall, MT
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 406-287
| A |
WHTHMTMARS1 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-287
| 0 |
HLNAMTMAMMD |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
648 |
|
2017-08-07 |
|
| 406-287
| 1 |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-07-08 |
|
| 406-287
| 2 |
WHTHMTMARS1 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-287
| 3 |
WHTHMTMARS1 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-287
| 4 |
|
624H ONVOY SPECTRUM, LLC |
648 |
|
2025-02-03 |
|
| 406-287
| 5 |
WHTHMTMARS1 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-287
| 6 |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2011-10-24 |
|
| 406-287
| 7 |
WHTHMTMARS1 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-287
| 8 |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2007-03-19 |
|
| 406-287
| 9 |
WHTHMTMARS1 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-501
| A |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
|
|
| 406-501
| 0 |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2020-04-04 |
|
| 406-501
| 1 |
GRFLMTMAHMD |
073H TELNYX LLC |
648 |
|
2020-08-13 |
|
| 406-501
| 2 |
MSSLMTMA0MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
2020-10-31 |
|
| 406-501
| 3 |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2020-11-08 |
|
| 406-501
| 4 |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2019-10-20 |
|
| 406-501
| 5 |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2019-10-20 |
|
| 406-501
| 6 |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2020-01-03 |
|
| 406-501
| 7 |
MSSLMTMAYMD |
771G TELEPORT COMMUNICATIONS AMERICA MT - LLC |
648 |
|
2020-08-24 |
|
| 406-501
| 8 |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-02-11 |
|
| 406-501
| 9 |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-02-11 |
|
Last updated: Sun, 26 Jan 2025 15:59:20 UTC
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