Local Calling Guide
Area code/prefix search
NPA: 406
[Rate centres in NPA 406]
[Dial plan for NPA 406]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 406-882
| A |
Eureka Rural |
MT |
ERKRMTXCDS1 |
2242 INTERBEL TEL. COOP., INC. |
648 |
|
|
|
| 406-883
| A |
Polson |
MT |
PLSNMTXCRS0 |
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-884
| A |
Polson |
MT |
PLSNMTXCRS0 |
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-884
| 1 |
Polson |
MT |
|
5562 METROPCS, INC. |
648 |
|
2023-09-08 |
|
| 406-884
| 2 |
Polson |
MT |
|
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
2015-10-23 |
|
| 406-884
| 4 |
Polson |
MT |
|
453F ONVOY, LLC - MT |
648 |
|
2019-10-28 |
|
| 406-884
| 6 |
Polson |
MT |
|
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-884
| 7 |
Polson |
MT |
|
771G TELEPORT COMMUNICATIONS AMERICA MT - LLC |
648 |
|
2015-06-15 |
|
| 406-884
| 8 |
Polson |
MT |
|
145J TERRA NOVA TELECOM INC. |
648 |
|
2025-10-09 |
|
| 406-885
| A |
Kalispell |
MT |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
|
|
| 406-886
| A |
Swan Lake |
MT |
SWLKMTXCRS0 |
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-886
| 0 |
Swan Lake |
MT |
|
453F ONVOY, LLC - MT |
648 |
|
2021-07-08 |
|
| 406-886
| 2 |
Swan Lake |
MT |
|
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-886
| 3 |
Swan Lake |
MT |
|
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-886
| 4 |
Swan Lake |
MT |
|
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
2016-06-08 |
|
| 406-886
| 6 |
Swan Lake |
MT |
|
453F ONVOY, LLC - MT |
648 |
|
2021-03-07 |
|
| 406-886
| 7 |
Swan Lake |
MT |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
648 |
|
2014-05-24 |
|
| 406-886
| 8 |
Swan Lake |
MT |
|
453F ONVOY, LLC - MT |
648 |
|
2021-03-07 |
|
| 406-886
| 9 |
Swan Lake |
MT |
|
145J TERRA NOVA TELECOM INC. |
648 |
|
2025-10-11 |
|
| 406-887
| A |
Finley Point |
MT |
FNPTMTXCRS0 |
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-887
| 1 |
Finley Point |
MT |
|
986F WESTERN MONTANA COMMUNITYTEL INC. - MT |
648 |
|
2016-04-23 |
|
| 406-887
| 2 |
Finley Point |
MT |
|
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-887
| 3 |
Finley Point |
MT |
|
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-887
| 4 |
Finley Point |
MT |
|
6529 T-MOBILE USA, INC. |
648 |
|
2023-12-16 |
|
| 406-887
| 5 |
Finley Point |
MT |
|
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
2023-02-27 |
|
| 406-887
| 6 |
Finley Point |
MT |
|
453F ONVOY, LLC - MT |
648 |
|
2021-03-07 |
|
| 406-887
| 7 |
Finley Point |
MT |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
648 |
|
2014-05-24 |
|
| 406-887
| 8 |
Finley Point |
MT |
|
453F ONVOY, LLC - MT |
648 |
|
2021-03-07 |
|
| 406-887
| 9 |
Finley Point |
MT |
|
145J TERRA NOVA TELECOM INC. |
648 |
|
2025-10-11 |
|
| 406-888
| A |
West Glacier |
MT |
WGLCMTMARS1 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-888
| 0 |
West Glacier |
MT |
|
453F ONVOY, LLC - MT |
648 |
|
2021-03-07 |
|
| 406-888
| 1 |
West Glacier |
MT |
|
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
2023-04-24 |
|
| 406-888
| 2 |
West Glacier |
MT |
|
453F ONVOY, LLC - MT |
648 |
|
2019-09-15 |
|
| 406-888
| 3 |
West Glacier |
MT |
|
073H TELNYX LLC |
648 |
|
2020-08-13 |
|
| 406-888
| 4 |
West Glacier |
MT |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
648 |
|
2014-05-24 |
|
| 406-888
| 5 |
West Glacier |
MT |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-888
| 6 |
West Glacier |
MT |
|
453F ONVOY, LLC - MT |
648 |
|
2007-04-14 |
|
| 406-888
| 7 |
West Glacier |
MT |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-888
| 8 |
West Glacier |
MT |
|
453F ONVOY, LLC - MT |
648 |
|
2011-07-17 |
|
| 406-888
| 9 |
West Glacier |
MT |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-889
| A |
Eureka Rural |
MT |
ERKRMTXCDS1 |
2242 INTERBEL TEL. COOP., INC. |
648 |
|
|
|
| 406-890
| A |
Kalispell |
MT |
KLSLMTAZ1MD |
792K CHARTER IP ENABLED SERVICES, LLC |
648 |
|
|
|
| 406-890
| 0 |
Kalispell |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2009-06-08 |
|
| 406-890
| 1 |
Kalispell |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2009-08-24 |
|
| 406-890
| 2 |
Kalispell |
MT |
|
792K CHARTER IP ENABLED SERVICES, LLC |
648 |
|
2007-03-03 |
|
| 406-890
| 3 |
Kalispell |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2009-10-12 |
|
| 406-890
| 4 |
Kalispell |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2009-11-09 |
|
| 406-890
| 5 |
Kalispell |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2010-02-09 |
|
| 406-890
| 6 |
Kalispell |
MT |
|
453F ONVOY, LLC - MT |
648 |
|
2007-03-12 |
|
| 406-890
| 7 |
Kalispell |
MT |
|
453F ONVOY, LLC - MT |
648 |
|
2010-04-03 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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