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 |
| 406-747
| 1 |
Fairview |
MT |
FRVWMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-747
| 2 |
Fairview |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2020-01-05 |
|
| 406-747
| 3 |
Fairview |
MT |
BLNGMTWE6MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
|
|
| 406-747
| 4 |
Fairview |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2019-10-28 |
|
| 406-747
| 5 |
Fairview |
MT |
FRVWMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-747
| 6 |
Fairview |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2020-11-10 |
|
| 406-747
| 7 |
Fairview |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2013-09-14 |
|
| 406-747
| 8 |
Fairview |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2007-03-19 |
|
| 406-747
| 9 |
Fairview |
MT |
FRVWMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-748
| A |
Colstrip |
MT |
CLSTMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-748
| 0 |
Colstrip |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2023-08-20 |
|
| 406-748
| 1 |
Colstrip |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2007-03-19 |
|
| 406-748
| 2 |
Colstrip |
MT |
CLSTMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-748
| 3 |
Colstrip |
MT |
CLSTMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-748
| 4 |
Colstrip |
MT |
CLSTMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-748
| 5 |
Colstrip |
MT |
CLSTMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-748
| 6 |
Colstrip |
MT |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2009-02-13 |
|
| 406-748
| 7 |
Colstrip |
MT |
BLNGMTWE6MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2005-02-21 |
|
| 406-748
| 8 |
Colstrip |
MT |
BLNGMTWEBMD |
771G TELEPORT COMMUNICATIONS AMERICA MT - LLC |
650 |
|
2019-05-03 |
|
| 406-748
| 9 |
Colstrip |
MT |
BLNGMTWEDMD |
624H ONVOY SPECTRUM, LLC |
650 |
|
2025-01-16 |
|
| 406-749
| A |
Colstrip |
MT |
BLNGMTMAMMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
650 |
|
|
|
| 406-749
| 0 |
Colstrip |
MT |
BLNGMTMAMMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
650 |
|
|
|
| 406-749
| 1 |
Colstrip |
MT |
BLNGMTMAMMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
650 |
|
|
|
| 406-749
| 2 |
Colstrip |
MT |
|
145J TERRA NOVA TELECOM INC. |
650 |
|
2021-09-28 |
|
| 406-749
| 3 |
Colstrip |
MT |
|
145J TERRA NOVA TELECOM INC. |
650 |
|
2023-06-24 |
|
| 406-749
| 4 |
Colstrip |
MT |
|
145J TERRA NOVA TELECOM INC. |
650 |
|
2022-05-05 |
|
| 406-749
| 5 |
Colstrip |
MT |
FRSYMTMA0MD |
8140 RANGE TELEPHONE COOPERATIVE, INC. - MT |
650 |
|
2023-12-12 |
|
| 406-749
| 7 |
Colstrip |
MT |
|
145J TERRA NOVA TELECOM INC. |
650 |
|
2025-05-08 |
|
| 406-749
| 8 |
Colstrip |
MT |
BLNGMTWE9MD |
073H TELNYX LLC |
650 |
|
2024-09-12 |
|
| 406-750
| A |
Great Falls |
MT |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
|
|
| 406-751
| A |
Kalispell |
MT |
KLSLMTXCDS0 |
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-752
| A |
Kalispell |
MT |
KLSLMTXCDS0 |
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-753
| A |
Brady |
MT |
FRFDMTXCDS1 |
2255 3 RIVERS TEL. COOP., INC. |
648 |
|
|
|
| 406-754
| A |
Condon |
MT |
CLTNMTXCRS1 |
2235 BLACKFOOT TEL. COOP., INC. |
648 |
|
|
|
| 406-755
| A |
Kalispell |
MT |
KLSLMTXCDS0 |
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-756
| A |
Kalispell |
MT |
KLSLMTXCDS0 |
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-757
| A |
Decker |
MT |
DCKRMTXCRS1 |
2251 RANGE TEL COOP INC |
654 |
|
|
|
| 406-757
| 0 |
Decker |
MT |
|
2251 RANGE TEL COOP INC |
654 |
|
|
|
| 406-757
| 1 |
Decker |
MT |
|
2251 RANGE TEL COOP INC |
654 |
|
|
|
| 406-757
| 2 |
Decker |
MT |
|
2251 RANGE TEL COOP INC |
654 |
|
|
|
| 406-757
| 3 |
Decker |
MT |
|
2251 RANGE TEL COOP INC |
654 |
|
|
|
| 406-757
| 4 |
Decker |
MT |
|
2251 RANGE TEL COOP INC |
654 |
|
|
|
| 406-757
| 5 |
Decker |
MT |
|
2251 RANGE TEL COOP INC |
654 |
|
|
|
| 406-757
| 6 |
Decker |
MT |
|
2251 RANGE TEL COOP INC |
654 |
|
|
|
| 406-757
| 7 |
Decker |
MT |
|
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
654 |
|
2026-10-05 |
|
| 406-757
| 9 |
Decker |
MT |
|
2251 RANGE TEL COOP INC |
654 |
|
|
|
| 406-758
| A |
Kalispell |
MT |
KLSLMTXCDS0 |
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-759
| A |
Chester |
MT |
HAVRMTXCDS0 |
2257 TRIANGLE TEL. COOP. ASSN., INC. |
648 |
|
|
|
| 406-759
| 2 |
Chester |
MT |
MSSLMTMA0MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
2019-11-25 |
|
| 406-759
| 5 |
Chester |
MT |
HAVRMTXCDS0 |
2257 TRIANGLE TEL. COOP. ASSN., INC. |
648 |
|
|
|
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Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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