Local Calling Guide
Area code/prefix search
Whitefish, MT
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 406-507
| A |
MSSLMTMA0MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
|
|
| 406-507
| 0 |
|
453F ONVOY, LLC - MT |
648 |
|
2024-04-14 |
|
| 406-507
| 1 |
|
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
2023-04-21 |
|
| 406-730
| A |
KLSLMTAZ1MD |
792K CHARTER IP ENABLED SERVICES, LLC |
648 |
|
|
|
| 406-730
| 0 |
|
073H TELNYX LLC |
648 |
|
2020-08-13 |
|
| 406-730
| 1 |
|
792K CHARTER IP ENABLED SERVICES, LLC |
648 |
|
2008-05-05 |
|
| 406-730
| 2 |
|
792K CHARTER IP ENABLED SERVICES, LLC |
648 |
|
2006-04-21 |
|
| 406-730
| 3 |
|
453F ONVOY, LLC - MT |
648 |
|
2012-12-15 |
|
| 406-730
| 4 |
|
453F ONVOY, LLC - MT |
648 |
|
2012-12-15 |
|
| 406-730
| 5 |
|
453F ONVOY, LLC - MT |
648 |
|
2007-03-08 |
|
| 406-730
| 6 |
|
453F ONVOY, LLC - MT |
648 |
|
2012-12-15 |
|
| 406-730
| 7 |
|
453F ONVOY, LLC - MT |
648 |
|
2010-11-28 |
|
| 406-730
| 8 |
|
792K CHARTER IP ENABLED SERVICES, LLC |
648 |
|
2013-11-11 |
|
| 406-730
| 9 |
|
453F ONVOY, LLC - MT |
648 |
|
2021-03-28 |
|
| 406-862
| A |
WHFSMTXCRS0 |
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-863
| A |
WHFSMTXCRS0 |
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-863
| 0 |
|
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-863
| 1 |
|
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-863
| 2 |
|
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-863
| 3 |
|
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-863
| 4 |
|
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-863
| 5 |
|
771G TELEPORT COMMUNICATIONS AMERICA MT - LLC |
648 |
|
2015-05-22 |
|
| 406-863
| 6 |
|
453F ONVOY, LLC - MT |
648 |
|
2019-09-15 |
|
| 406-863
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
648 |
|
2014-05-31 |
|
| 406-863
| 8 |
|
986F WESTERN MONTANA COMMUNITYTEL INC. - MT |
648 |
|
2021-12-18 |
|
| 406-863
| 9 |
|
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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