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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 406-641
| 7 |
West Yellowstone |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2011-10-24 |
|
| 406-641
| 8 |
West Yellowstone |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-03-07 |
|
| 406-641
| 9 |
West Yellowstone |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-03-07 |
|
| 406-642
| A |
Victor |
MT |
VCTRMTMARS1 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-642
| 0 |
Victor |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2019-09-15 |
|
| 406-642
| 2 |
Victor |
MT |
VCTRMTMARS1 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-642
| 3 |
Victor |
MT |
VCTRMTMARS1 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-642
| 4 |
Victor |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2019-09-15 |
|
| 406-642
| 5 |
Victor |
MT |
HLNAMTMAUMD |
508J CENTURYLINK COMMUNICATIONS, LLC |
648 |
|
2014-05-24 |
|
| 406-642
| 6 |
Victor |
MT |
VCTRMTMARS1 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-642
| 7 |
Victor |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2007-03-19 |
|
| 406-642
| 8 |
Victor |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2011-10-24 |
|
| 406-642
| 9 |
Victor |
MT |
VCTRMTMARS1 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-643
| A |
North Parkman |
MT |
CHYNWYMAX2X |
453F ONVOY, LLC - MT |
654 |
|
|
|
| 406-643
| 0 |
North Parkman |
MT |
CHYNWYMAX2X |
453F ONVOY, LLC - MT |
654 |
|
2012-12-17 |
|
| 406-643
| 1 |
North Parkman |
MT |
CHYNWYRF1MD |
073H TELNYX LLC |
654 |
|
2018-07-25 |
|
| 406-643
| 2 |
North Parkman |
MT |
CHYNWYMAX2X |
453F ONVOY, LLC - MT |
654 |
|
2021-02-11 |
|
| 406-643
| 3 |
North Parkman |
MT |
CHYNWYMAX2X |
453F ONVOY, LLC - MT |
654 |
|
2021-02-11 |
|
| 406-643
| 4 |
North Parkman |
MT |
CHYNWYMAX2X |
453F ONVOY, LLC - MT |
654 |
|
2020-11-10 |
|
| 406-643
| 5 |
North Parkman |
MT |
CHYNWYMAX2X |
453F ONVOY, LLC - MT |
654 |
|
2021-07-05 |
|
| 406-643
| 6 |
North Parkman |
MT |
CHYNWYMAX2X |
453F ONVOY, LLC - MT |
654 |
|
2019-09-15 |
|
| 406-643
| 7 |
North Parkman |
MT |
CHYNWYMAX2X |
453F ONVOY, LLC - MT |
654 |
|
2007-07-18 |
|
| 406-643
| 8 |
North Parkman |
MT |
CHYNWYMAXGX |
624H ONVOY SPECTRUM, LLC |
654 |
|
2021-07-19 |
|
| 406-643
| 9 |
North Parkman |
MT |
CHYNWYMAXGX |
624H ONVOY SPECTRUM, LLC |
654 |
|
2021-11-14 |
|
| 406-644
| A |
Charlo |
MT |
CHRLMTXCRS1 |
2235 BLACKFOOT TEL. COOP., INC. |
648 |
|
|
|
| 406-644
| 1 |
Charlo |
MT |
CHRLMT010MD |
986F WESTERN MONTANA COMMUNITYTEL INC. - MT |
648 |
|
2013-08-25 |
|
| 406-644
| 2 |
Charlo |
MT |
CHRLMTXCRS1 |
2235 BLACKFOOT TEL. COOP., INC. |
648 |
|
|
|
| 406-644
| 3 |
Charlo |
MT |
CHRLMTXCRS1 |
2235 BLACKFOOT TEL. COOP., INC. |
648 |
|
|
|
| 406-644
| 9 |
Charlo |
MT |
CHRLMTXCRS1 |
2235 BLACKFOOT TEL. COOP., INC. |
648 |
|
|
|
| 406-645
| A |
Deer Lodge |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
|
|
| 406-645
| 2 |
Deer Lodge |
MT |
HLNAMTMAZMD |
624H ONVOY SPECTRUM, LLC |
648 |
|
2025-01-02 |
|
| 406-645
| 4 |
Deer Lodge |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2020-01-03 |
|
| 406-645
| 5 |
Deer Lodge |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2019-09-15 |
|
| 406-645
| 6 |
Deer Lodge |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2019-09-15 |
|
| 406-645
| 7 |
Deer Lodge |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-03-07 |
|
| 406-645
| 8 |
Deer Lodge |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2020-11-08 |
|
| 406-645
| 9 |
Deer Lodge |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-03-07 |
|
| 406-646
| A |
West Yellowstone |
MT |
WYLWMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-646
| 0 |
West Yellowstone |
MT |
WYLWMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-646
| 1 |
West Yellowstone |
MT |
WYLWMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-646
| 2 |
West Yellowstone |
MT |
BLNGMTWE6MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2004-11-13 |
|
| 406-646
| 3 |
West Yellowstone |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2007-03-19 |
|
| 406-646
| 4 |
West Yellowstone |
MT |
WYLWMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-646
| 5 |
West Yellowstone |
MT |
WYLWMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-646
| 6 |
West Yellowstone |
MT |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2009-02-13 |
|
| 406-646
| 7 |
West Yellowstone |
MT |
WYLWMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-646
| 8 |
West Yellowstone |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2023-08-20 |
|
| 406-646
| 9 |
West Yellowstone |
MT |
WYLWMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-647
| A |
Billings |
MT |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
|
|
| 406-647
| 0 |
Billings |
MT |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2008-08-24 |
|
| 406-647
| 1 |
Billings |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2009-10-12 |
|
| 406-647
| 2 |
Billings |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2009-11-09 |
|
| 406-647
| 3 |
Billings |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2010-02-09 |
|
| 406-647
| 4 |
Billings |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2010-03-09 |
|
| 406-647
| 5 |
Billings |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2010-08-23 |
|
| 406-647
| 6 |
Billings |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2010-09-23 |
|
| 406-647
| 7 |
Billings |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2010-10-11 |
|
| 406-647
| 8 |
Billings |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2010-11-11 |
|
| 406-647
| 9 |
Billings |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2011-02-05 |
|
| 406-648
| A |
North Hinsdale |
MT |
NHDLMTXCRS1 |
2247 NEMONT TEL COOP INC |
650 |
|
|
|
| 406-648
| 5 |
North Hinsdale |
MT |
NHDLMTXCRS1 |
2247 NEMONT TEL COOP INC |
650 |
|
|
|
| 406-648
| 7 |
North Hinsdale |
MT |
GLSGMTXC1MD |
443B SAGEBRUSH CELLULAR, INC. |
650 |
|
|
|
| 406-649
| A |
St Regis |
MT |
ALTNMTXBRS1 |
2235 BLACKFOOT TEL. COOP., INC. |
648 |
|
|
|
| 406-649
| 2 |
St Regis |
MT |
ALTNMTXBRS1 |
2235 BLACKFOOT TEL. COOP., INC. |
648 |
|
|
|
| 406-649
| 7 |
St Regis |
MT |
ALTNMTXBRS1 |
2235 BLACKFOOT TEL. COOP., INC. |
648 |
|
|
|
| 406-649
| 9 |
St Regis |
MT |
ALTNMTXBRS1 |
2235 BLACKFOOT TEL. COOP., INC. |
648 |
|
|
|
| 406-650
| A |
Wolf Point |
MT |
GLSGMTXC1MD |
443B SAGEBRUSH CELLULAR, INC. |
650 |
|
|
|
| 406-651
| A |
Billings |
MT |
BLNGMTWEDS0 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-651
| 0 |
Billings |
MT |
BLNGMTWEDS0 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-651
| 1 |
Billings |
MT |
BLNGMTWEDS0 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-651
| 2 |
Billings |
MT |
BLNGMTWEDS0 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-651
| 3 |
Billings |
MT |
BLNGMTWEDS0 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-651
| 4 |
Billings |
MT |
BLNGMTWEDS0 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-651
| 5 |
Billings |
MT |
BLNGMTWEDS0 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-651
| 6 |
Billings |
MT |
BLNGMTWEDS0 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-651
| 7 |
Billings |
MT |
BLNGMTMAXMD |
6529 T-MOBILE USA, INC. |
650 |
|
2024-07-25 |
|
| 406-651
| 8 |
Billings |
MT |
BLNGMTWEDS0 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-651
| 9 |
Billings |
MT |
BLNGMTWEDS0 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-652
| A |
Billings |
MT |
BLNGMTWEDS0 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-653
| A |
Wolf Point |
MT |
WLPNMTXCDS0 |
2247 NEMONT TEL COOP INC |
650 |
|
|
|
| 406-653
| 1 |
Wolf Point |
MT |
WLPNMTXCDS0 |
2247 NEMONT TEL COOP INC |
650 |
|
|
|
| 406-653
| 2 |
Wolf Point |
MT |
WLPNMTXCDS0 |
2247 NEMONT TEL COOP INC |
650 |
|
|
|
| 406-653
| 3 |
Wolf Point |
MT |
WLPNMTXCDS0 |
2247 NEMONT TEL COOP INC |
650 |
|
|
|
| 406-653
| 5 |
Wolf Point |
MT |
WLPNMTXCDS0 |
2247 NEMONT TEL COOP INC |
650 |
|
|
|
| 406-653
| 6 |
Wolf Point |
MT |
WLPNMTXCDS0 |
2247 NEMONT TEL COOP INC |
650 |
|
|
|
| 406-653
| 9 |
Wolf Point |
MT |
WLPNMTXCDS0 |
2247 NEMONT TEL COOP INC |
650 |
|
|
|
| 406-654
| A |
Malta |
MT |
MALTMTXCDS0 |
3310 TRIANGLE TEL. COOP. ASSN., INC. |
648 |
|
|
|
| 406-654
| 0 |
Malta |
MT |
MALTMTXCDS0 |
3310 TRIANGLE TEL. COOP. ASSN., INC. |
648 |
|
|
|
| 406-654
| 1 |
Malta |
MT |
MALTMTXCDS0 |
3310 TRIANGLE TEL. COOP. ASSN., INC. |
648 |
|
|
|
| 406-654
| 2 |
Malta |
MT |
MALTMTXCDS0 |
3310 TRIANGLE TEL. COOP. ASSN., INC. |
648 |
|
|
|
| 406-654
| 4 |
Malta |
MT |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
|
|
| 406-654
| 5 |
Malta |
MT |
MALTMTXCDS0 |
3310 TRIANGLE TEL. COOP. ASSN., INC. |
648 |
|
|
|
| 406-654
| 7 |
Malta |
MT |
MALTMTXCDS0 |
3310 TRIANGLE TEL. COOP. ASSN., INC. |
648 |
|
|
|
| 406-655
| A |
Billings |
MT |
BLNGMTWEDS0 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-656
| A |
Billings |
MT |
BLNGMTWEDS0 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-657
| A |
Billings |
MT |
BLNGMTMADS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-658
| A |
South Malta |
MT |
HAVRMTXCDS0 |
2257 TRIANGLE TEL. COOP. ASSN., INC. |
648 |
|
|
|
| 406-659
| A |
North Parkman |
MT |
DNRHWYMARS1 |
9636 QWEST CORPORATION |
654 |
|
|
|
| 406-659
| 5 |
North Parkman |
MT |
CHYNWYMAXGX |
624H ONVOY SPECTRUM, LLC |
654 |
|
2021-11-14 |
|
| 406-659
| 6 |
North Parkman |
MT |
CHYNWYMAXAX |
508J CENTURYLINK COMMUNICATIONS, LLC |
654 |
|
2015-03-18 |
|
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Last updated: Sun, 26 Jan 2025 15:59:20 UTC
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