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 |
| 406-842
| 6 |
Sheridan |
MT |
|
2255 3 RIVERS TEL. COOP., INC. |
648 |
|
|
|
| 406-842
| 7 |
Sheridan |
MT |
|
2255 3 RIVERS TEL. COOP., INC. |
648 |
|
|
|
| 406-842
| 8 |
Sheridan |
MT |
|
2255 3 RIVERS TEL. COOP., INC. |
648 |
|
|
|
| 406-842
| 9 |
Sheridan |
MT |
|
2255 3 RIVERS TEL. COOP., INC. |
648 |
|
|
|
| 406-843
| A |
Virginia City |
MT |
FRFDMTXCDS1 |
2255 3 RIVERS TEL. COOP., INC. |
648 |
|
|
|
| 406-844
| A |
Lakeside |
MT |
LKSDMTXCRS0 |
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-844
| 0 |
Lakeside |
MT |
|
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-844
| 1 |
Lakeside |
MT |
|
986F WESTERN MONTANA COMMUNITYTEL INC. - MT |
648 |
|
2020-07-05 |
|
| 406-844
| 2 |
Lakeside |
MT |
|
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-844
| 3 |
Lakeside |
MT |
|
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-844
| 4 |
Lakeside |
MT |
|
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-844
| 5 |
Lakeside |
MT |
|
453F ONVOY, LLC - MT |
648 |
|
2019-10-28 |
|
| 406-844
| 6 |
Lakeside |
MT |
|
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
2023-02-27 |
|
| 406-844
| 8 |
Lakeside |
MT |
|
453F ONVOY, LLC - MT |
648 |
|
2019-09-15 |
|
| 406-844
| 9 |
Lakeside |
MT |
|
453F ONVOY, LLC - MT |
648 |
|
2021-03-07 |
|
| 406-845
| A |
Cut Bank |
MT |
HLNAMTHH5MD |
792K CHARTER IP ENABLED SERVICES, LLC |
648 |
|
|
|
| 406-845
| 0 |
Cut Bank |
MT |
|
073H TELNYX LLC |
648 |
|
2020-08-07 |
|
| 406-845
| 1 |
Cut Bank |
MT |
|
792K CHARTER IP ENABLED SERVICES, LLC |
648 |
|
2009-01-02 |
|
| 406-845
| 2 |
Cut Bank |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2009-10-12 |
|
| 406-845
| 3 |
Cut Bank |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2010-01-15 |
|
| 406-845
| 4 |
Cut Bank |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2010-11-23 |
|
| 406-845
| 5 |
Cut Bank |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2012-02-06 |
|
| 406-845
| 6 |
Cut Bank |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2014-09-19 |
|
| 406-845
| 7 |
Cut Bank |
MT |
|
453F ONVOY, LLC - MT |
648 |
|
2011-10-21 |
|
| 406-845
| 8 |
Cut Bank |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2012-11-22 |
|
| 406-845
| 9 |
Cut Bank |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2013-02-04 |
|
| 406-846
| A |
Deer Lodge |
MT |
DRLDMTMARS1 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-846
| 1 |
Deer Lodge |
MT |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-846
| 2 |
Deer Lodge |
MT |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-846
| 3 |
Deer Lodge |
MT |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-846
| 4 |
Deer Lodge |
MT |
|
792K CHARTER IP ENABLED SERVICES, LLC |
648 |
|
2007-05-15 |
|
| 406-846
| 5 |
Deer Lodge |
MT |
|
453F ONVOY, LLC - MT |
648 |
|
2006-10-19 |
|
| 406-846
| 6 |
Deer Lodge |
MT |
|
145J TERRA NOVA TELECOM INC. |
648 |
|
2025-10-09 |
|
| 406-846
| 7 |
Deer Lodge |
MT |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-846
| 9 |
Deer Lodge |
MT |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-847
| A |
Noxon |
MT |
NOXNMTXCRS1 |
2235 BLACKFOOT TEL. COOP., INC. |
648 |
|
|
|
| 406-848
| A |
Gardiner |
MT |
GRNRMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-848
| 0 |
Gardiner |
MT |
|
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2004-11-13 |
|
| 406-848
| 1 |
Gardiner |
MT |
|
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2009-02-13 |
|
| 406-848
| 2 |
Gardiner |
MT |
|
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-848
| 3 |
Gardiner |
MT |
|
6529 T-MOBILE USA, INC. |
650 |
|
2023-10-09 |
|
| 406-848
| 4 |
Gardiner |
MT |
|
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2014-05-25 |
|
| 406-848
| 5 |
Gardiner |
MT |
|
453F ONVOY, LLC - MT |
650 |
|
2011-10-21 |
|
| 406-848
| 6 |
Gardiner |
MT |
|
453F ONVOY, LLC - MT |
650 |
|
2007-03-19 |
|
| 406-848
| 7 |
Gardiner |
MT |
|
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-848
| 8 |
Gardiner |
MT |
|
624H ONVOY SPECTRUM, LLC |
650 |
|
2025-02-17 |
|
| 406-848
| 9 |
Gardiner |
MT |
|
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-849
| A |
Elmo |
MT |
ELMOMTXCRS0 |
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-849
| 0 |
Elmo |
MT |
|
6529 T-MOBILE USA, INC. |
648 |
|
2021-02-27 |
|
| 406-849
| 1 |
Elmo |
MT |
|
6529 T-MOBILE USA, INC. |
648 |
|
2021-02-27 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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