Local Calling Guide
Area code/prefix search
NPA: 406
[Rate centres in NPA 406]
[Dial plan for NPA 406]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 406-722
| 1 |
Alberton |
MT |
|
2235 BLACKFOOT TEL. COOP., INC. |
648 |
|
|
|
| 406-722
| 2 |
Alberton |
MT |
|
2235 BLACKFOOT TEL. COOP., INC. |
648 |
|
|
|
| 406-722
| 3 |
Alberton |
MT |
|
2235 BLACKFOOT TEL. COOP., INC. |
648 |
|
|
|
| 406-722
| 4 |
Alberton |
MT |
|
2235 BLACKFOOT TEL. COOP., INC. |
648 |
|
|
|
| 406-722
| 6 |
Alberton |
MT |
|
2235 BLACKFOOT TEL. COOP., INC. |
648 |
|
|
|
| 406-722
| 7 |
Alberton |
MT |
|
792K CHARTER IP ENABLED SERVICES, LLC |
648 |
|
2025-04-28 |
|
| 406-722
| 8 |
Alberton |
MT |
|
2235 BLACKFOOT TEL. COOP., INC. |
648 |
|
|
|
| 406-722
| 9 |
Alberton |
MT |
|
2235 BLACKFOOT TEL. COOP., INC. |
648 |
|
|
|
| 406-723
| A |
Butte |
MT |
BUTTMT09DS0 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-724
| A |
Glentana |
MT |
GLNTMTXCRS1 |
2247 NEMONT TEL COOP INC |
650 |
|
|
|
| 406-724
| 3 |
Glentana |
MT |
GLNTMTXCRS1 |
2247 NEMONT TEL COOP INC |
650 |
|
|
|
| 406-724
| 7 |
Glentana |
MT |
GLSGMTXC1MD |
443B SAGEBRUSH CELLULAR, INC. |
650 |
|
|
|
| 406-725
| A |
Larslan |
MT |
LRSLMTXCRS1 |
2247 NEMONT TEL COOP INC |
650 |
|
|
|
| 406-726
| A |
Arlee |
MT |
CLTNMTXCRS1 |
2235 BLACKFOOT TEL. COOP., INC. |
648 |
|
|
|
| 406-726
| 0 |
Arlee |
MT |
|
145J TERRA NOVA TELECOM INC. |
648 |
|
2025-10-09 |
|
| 406-726
| 1 |
Arlee |
MT |
CHRLMT010MD |
986F WESTERN MONTANA COMMUNITYTEL INC. - MT |
648 |
|
2013-09-29 |
|
| 406-726
| 3 |
Arlee |
MT |
CLTNMTXCRS1 |
2235 BLACKFOOT TEL. COOP., INC. |
648 |
|
|
|
| 406-726
| 4 |
Arlee |
MT |
CLTNMTXCRS1 |
2235 BLACKFOOT TEL. COOP., INC. |
648 |
|
|
|
| 406-726
| 9 |
Arlee |
MT |
CLTNMTXCRS1 |
2235 BLACKFOOT TEL. COOP., INC. |
648 |
|
|
|
| 406-727
| A |
Great Falls |
MT |
GRFLMTMADS0 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-728
| A |
Missoula |
MT |
MSSLMTMADS0 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-729
| A |
Wilsall |
MT |
BLNGMTWE8MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
650 |
|
|
|
| 406-729
| 0 |
Wilsall |
MT |
BLNGMT933MD |
073H TELNYX LLC |
650 |
|
2018-07-25 |
|
| 406-729
| 1 |
Wilsall |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-07-08 |
|
| 406-729
| 2 |
Wilsall |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2020-11-10 |
|
| 406-729
| 3 |
Wilsall |
MT |
BLNGMTMAMMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
650 |
|
2023-09-21 |
|
| 406-729
| 4 |
Wilsall |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2019-09-15 |
|
| 406-729
| 5 |
Wilsall |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-03-19 |
|
| 406-729
| 6 |
Wilsall |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2019-09-15 |
|
| 406-729
| 7 |
Wilsall |
MT |
BLNGMTWE8MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
650 |
|
2016-11-11 |
|
| 406-729
| 8 |
Wilsall |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-03-19 |
|
| 406-729
| 9 |
Wilsall |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2023-08-20 |
|
| 406-730
| A |
Whitefish |
MT |
KLSLMTAZ1MD |
792K CHARTER IP ENABLED SERVICES, LLC |
648 |
|
|
|
| 406-730
| 0 |
Whitefish |
MT |
GRFLMTMAHMD |
073H TELNYX LLC |
648 |
|
2020-08-13 |
|
| 406-730
| 1 |
Whitefish |
MT |
KLSLMTAZ1MD |
792K CHARTER IP ENABLED SERVICES, LLC |
648 |
|
2008-05-05 |
|
| 406-730
| 2 |
Whitefish |
MT |
KLSLMTAZ1MD |
792K CHARTER IP ENABLED SERVICES, LLC |
648 |
|
2006-04-21 |
|
| 406-730
| 3 |
Whitefish |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2012-12-15 |
|
| 406-730
| 4 |
Whitefish |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2012-12-15 |
|
| 406-730
| 5 |
Whitefish |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2007-03-08 |
|
| 406-730
| 6 |
Whitefish |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2012-12-15 |
|
| 406-730
| 7 |
Whitefish |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2010-11-28 |
|
| 406-730
| 8 |
Whitefish |
MT |
KLSLMTAZ1MD |
792K CHARTER IP ENABLED SERVICES, LLC |
648 |
|
2013-11-11 |
|
| 406-730
| 9 |
Whitefish |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-03-28 |
|
| 406-731
| A |
Great Falls |
MT |
|
700J WAVENATION, LLC |
648 |
|
|
|
| 406-731
| 0 |
Great Falls |
MT |
|
700J WAVENATION, LLC |
648 |
|
2025-10-05 |
|
| 406-731
| 1 |
Great Falls |
MT |
GRFLMTMADS0 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-731
| 2 |
Great Falls |
MT |
GRFLMTMADS0 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-731
| 3 |
Great Falls |
MT |
GRFLMTMADS0 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-731
| 4 |
Great Falls |
MT |
GRFLMTMADS0 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-731
| 5 |
Great Falls |
MT |
GRFLMTMADS0 |
9636 QWEST CORPORATION |
648 |
|
|
|
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Last updated: Sun, 17 May 2026 03:26:51 UTC
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