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 |
| 406-407
| 4 |
Kalispell |
MT |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2011-07-07 |
|
| 406-407
| 5 |
Kalispell |
MT |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2011-07-28 |
|
| 406-407
| 6 |
Kalispell |
MT |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
2010-10-26 |
|
| 406-407
| 7 |
Kalispell |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2011-07-01 |
|
| 406-407
| 8 |
Kalispell |
MT |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
2011-07-08 |
|
| 406-407
| 9 |
Kalispell |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2012-04-26 |
|
| 406-408
| A |
Hays |
MT |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
|
|
| 406-408
| 0 |
Hays |
MT |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2019-11-29 |
|
| 406-409
| A |
Billings |
MT |
BLNGMTASX0X |
425J CSC WIRELESS, LLC |
650 |
|
|
|
| 406-409
| 0 |
Billings |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2021-01-17 |
|
| 406-409
| 1 |
Billings |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2021-04-22 |
|
| 406-409
| 2 |
Billings |
MT |
BLNGMTASX0X |
425J CSC WIRELESS, LLC |
650 |
|
2019-07-20 |
|
| 406-409
| 3 |
Billings |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-07-05 |
|
| 406-409
| 4 |
Billings |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2019-09-15 |
|
| 406-409
| 5 |
Billings |
MT |
BLNGMTMAXMD |
6529 T-MOBILE USA, INC. |
650 |
|
2023-01-24 |
|
| 406-409
| 6 |
Billings |
MT |
BLNGMTMAXMD |
6529 T-MOBILE USA, INC. |
650 |
|
2024-01-26 |
|
| 406-409
| 7 |
Billings |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-07-05 |
|
| 406-409
| 8 |
Billings |
MT |
BLNGMTMAXMD |
6529 T-MOBILE USA, INC. |
650 |
|
2020-10-26 |
|
| 406-409
| 9 |
Billings |
MT |
BLNGMTMAXMD |
6529 T-MOBILE USA, INC. |
650 |
|
2020-10-26 |
|
| 406-410
| A |
Helena |
MT |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
|
|
| 406-410
| 0 |
Helena |
MT |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
|
|
| 406-410
| 1 |
Helena |
MT |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
|
|
| 406-410
| 2 |
Helena |
MT |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2022-12-10 |
|
| 406-410
| 3 |
Helena |
MT |
HLNAMTMAWMD |
6529 T-MOBILE USA, INC. |
648 |
|
2021-06-04 |
|
| 406-410
| 4 |
Helena |
MT |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2023-10-29 |
|
| 406-410
| 5 |
Helena |
MT |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2023-12-07 |
|
| 406-410
| 6 |
Helena |
MT |
HLNAMTMAWMD |
6529 T-MOBILE USA, INC. |
648 |
|
2023-01-06 |
|
| 406-410
| 7 |
Helena |
MT |
HLNAMTMAWMD |
6529 T-MOBILE USA, INC. |
648 |
|
2023-01-06 |
|
| 406-410
| 8 |
Helena |
MT |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2023-08-24 |
|
| 406-410
| 9 |
Helena |
MT |
MSSLMTXC3MD |
939H COMMIO, LLC |
648 |
|
2023-08-17 |
|
| 406-412
| A |
Billings |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
|
|
| 406-412
| 0 |
Billings |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2017-06-21 |
|
| 406-412
| 1 |
Billings |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2017-06-21 |
|
| 406-412
| 2 |
Billings |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2017-06-21 |
|
| 406-412
| 3 |
Billings |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2017-06-21 |
|
| 406-412
| 4 |
Billings |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2017-06-21 |
|
| 406-412
| 5 |
Billings |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2017-06-21 |
|
| 406-412
| 6 |
Billings |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2017-06-21 |
|
| 406-412
| 7 |
Billings |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2017-06-21 |
|
| 406-412
| 8 |
Billings |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2017-06-21 |
|
| 406-412
| 9 |
Billings |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2017-06-21 |
|
| 406-413
| A |
Billings |
MT |
BLNGMTMADS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-413
| 0 |
Billings |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2018-04-09 |
|
| 406-413
| 1 |
Billings |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2018-04-09 |
|
| 406-413
| 2 |
Billings |
MT |
BLNGMTMADS1 |
9636 QWEST CORPORATION |
650 |
|
2015-06-11 |
|
| 406-413
| 3 |
Billings |
MT |
BLNGMTMADS1 |
9636 QWEST CORPORATION |
650 |
|
2015-06-11 |
|
| 406-413
| 4 |
Billings |
MT |
BLNGMTMADS1 |
9636 QWEST CORPORATION |
650 |
|
2015-06-11 |
|
| 406-413
| 5 |
Billings |
MT |
BLNGMTMAMMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
650 |
|
2016-11-18 |
|
| 406-413
| 6 |
Billings |
MT |
BLNGMTWEBMD |
771G TELEPORT COMMUNICATIONS AMERICA MT - LLC |
650 |
|
2017-08-21 |
|
| 406-413
| 7 |
Billings |
MT |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2022-08-13 |
|
| 406-413
| 8 |
Billings |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2018-04-09 |
|
| 406-413
| 9 |
Billings |
MT |
BLNGMT93DS0 |
588H AIRUS, INC. - MT |
650 |
|
2017-04-06 |
|
| 406-414
| A |
Bozeman |
MT |
BZMNMTMADS0 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-414
| 0 |
Bozeman |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2015-12-10 |
|
| 406-414
| 1 |
Bozeman |
MT |
BZMNMTMADS0 |
9636 QWEST CORPORATION |
650 |
|
2012-01-06 |
|
| 406-414
| 2 |
Bozeman |
MT |
BZMNMTMADS0 |
9636 QWEST CORPORATION |
650 |
|
2012-01-06 |
|
| 406-414
| 3 |
Bozeman |
MT |
BZMNMTMADS0 |
9636 QWEST CORPORATION |
650 |
|
2012-01-06 |
|
| 406-414
| 4 |
Bozeman |
MT |
BZMNMTMADS0 |
9636 QWEST CORPORATION |
650 |
|
2012-01-06 |
|
| 406-414
| 5 |
Bozeman |
MT |
BZMNMTMADS0 |
9636 QWEST CORPORATION |
650 |
|
2012-01-06 |
|
| 406-414
| 6 |
Bozeman |
MT |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2012-03-31 |
|
| 406-414
| 7 |
Bozeman |
MT |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2012-03-31 |
|
| 406-414
| 8 |
Bozeman |
MT |
BZMNMTMADS0 |
9636 QWEST CORPORATION |
650 |
|
2013-02-10 |
|
| 406-414
| 9 |
Bozeman |
MT |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2016-08-19 |
|
| 406-415
| A |
Deer Lodge |
MT |
HLNAMTHH5MD |
792K CHARTER IP ENABLED SERVICES, LLC |
648 |
|
|
|
| 406-415
| 0 |
Deer Lodge |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-07-05 |
|
| 406-415
| 1 |
Deer Lodge |
MT |
HLNAMTHH5MD |
792K CHARTER IP ENABLED SERVICES, LLC |
648 |
|
2010-06-07 |
|
| 406-415
| 2 |
Deer Lodge |
MT |
MSSLMTMA0MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
2011-01-16 |
|
| 406-415
| 3 |
Deer Lodge |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2012-12-17 |
|
| 406-415
| 4 |
Deer Lodge |
MT |
HLNAMTMAMMD |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
648 |
|
2015-03-15 |
|
| 406-415
| 5 |
Deer Lodge |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2017-11-17 |
|
| 406-415
| 6 |
Deer Lodge |
MT |
HLNAMTMAUMD |
508J CENTURYLINK COMMUNICATIONS, LLC |
648 |
|
2014-05-24 |
|
| 406-415
| 7 |
Deer Lodge |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2011-10-21 |
|
| 406-415
| 8 |
Deer Lodge |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2019-10-28 |
|
| 406-415
| 9 |
Deer Lodge |
MT |
GRFLMTMAHMD |
073H TELNYX LLC |
648 |
|
2020-08-07 |
|
| 406-416
| A |
Forsyth |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
|
|
| 406-416
| 0 |
Forsyth |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-07-05 |
|
| 406-416
| 1 |
Forsyth |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2021-12-23 |
|
| 406-416
| 2 |
Forsyth |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-03-07 |
|
| 406-416
| 3 |
Forsyth |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2023-06-01 |
|
| 406-416
| 4 |
Forsyth |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2020-08-08 |
|
| 406-416
| 5 |
Forsyth |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2020-08-08 |
|
| 406-416
| 6 |
Forsyth |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2020-11-10 |
|
| 406-416
| 7 |
Forsyth |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2020-11-10 |
|
| 406-416
| 8 |
Forsyth |
MT |
BLNGMT934MD |
939H COMMIO, LLC |
650 |
|
2022-06-06 |
|
| 406-416
| 9 |
Forsyth |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2022-12-13 |
|
| 406-417
| A |
Helena |
MT |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
|
|
| 406-417
| 0 |
Helena |
MT |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
2008-07-19 |
|
| 406-417
| 1 |
Helena |
MT |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2014-09-05 |
|
| 406-417
| 2 |
Helena |
MT |
HLNAMTMAZMD |
624H ONVOY SPECTRUM, LLC |
648 |
|
2025-01-02 |
|
| 406-417
| 3 |
Helena |
MT |
MSSLMTMA0MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
2019-01-05 |
|
| 406-417
| 4 |
Helena |
MT |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
2024-11-30 |
|
| 406-417
| 5 |
Helena |
MT |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
2023-11-20 |
|
| 406-417
| 6 |
Helena |
MT |
MSSLMTMAYMD |
771G TELEPORT COMMUNICATIONS AMERICA MT - LLC |
648 |
|
2014-11-20 |
|
| 406-417
| 7 |
Helena |
MT |
HLNAMTMAWMD |
6529 T-MOBILE USA, INC. |
648 |
|
2022-03-26 |
|
| 406-417
| 8 |
Helena |
MT |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
2021-03-06 |
|
| 406-417
| 9 |
Helena |
MT |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
2019-12-21 |
|
| 406-418
| A |
Cooke City |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
|
|
| 406-418
| 0 |
Cooke City |
MT |
BLNGMT933MD |
073H TELNYX LLC |
650 |
|
2019-10-21 |
|
| 406-418
| 1 |
Cooke City |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2020-01-05 |
|
| 406-418
| 2 |
Cooke City |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2020-01-05 |
|
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Last updated: Sun, 26 Jan 2025 15:59:20 UTC
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