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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 406-505
| 3 |
Conrad |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-02-11 |
|
| 406-505
| 4 |
Conrad |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2019-09-15 |
|
| 406-505
| 5 |
Conrad |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2019-10-28 |
|
| 406-505
| 6 |
Conrad |
MT |
HLNAMTMAUMD |
508J CENTURYLINK COMMUNICATIONS, LLC |
648 |
|
2014-05-24 |
|
| 406-505
| 7 |
Conrad |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2011-10-21 |
|
| 406-505
| 8 |
Conrad |
MT |
GRFLMTMAKMD |
624H ONVOY SPECTRUM, LLC |
648 |
|
2021-07-18 |
|
| 406-505
| 9 |
Conrad |
MT |
GRFLMTMAKMD |
624H ONVOY SPECTRUM, LLC |
648 |
|
2021-11-14 |
|
| 406-506
| A |
Billings |
MT |
BLNGMT93BMD |
321J HD CARRIER LLC |
650 |
|
|
|
| 406-506
| 0 |
Billings |
MT |
BLNGMT93BMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2022-10-07 |
|
| 406-506
| 1 |
Billings |
MT |
BLNGMT93BMD |
321J HD CARRIER LLC |
650 |
|
2020-11-01 |
|
| 406-506
| 2 |
Billings |
MT |
BLNGMT93BMD |
321J HD CARRIER LLC |
650 |
|
2020-11-01 |
|
| 406-506
| 3 |
Billings |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-07-05 |
|
| 406-506
| 4 |
Billings |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2020-10-05 |
|
| 406-506
| 5 |
Billings |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2020-10-05 |
|
| 406-506
| 6 |
Billings |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2020-10-05 |
|
| 406-506
| 7 |
Billings |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-07-05 |
|
| 406-506
| 8 |
Billings |
MT |
BLNGMTMAXMD |
6529 T-MOBILE USA, INC. |
650 |
|
2020-09-03 |
|
| 406-506
| 9 |
Billings |
MT |
BLNGMT93BMD |
321J HD CARRIER LLC |
650 |
|
2020-07-23 |
|
| 406-507
| A |
Whitefish |
MT |
MSSLMTMA0MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
|
|
| 406-507
| 0 |
Whitefish |
MT |
|
453F ONVOY, LLC - MT |
648 |
|
2024-04-14 |
|
| 406-507
| 1 |
Whitefish |
MT |
MSSLMTMA0MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
2023-04-21 |
|
| 406-508
| A |
Frenchtown |
MT |
MSSLMTMA0MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
|
|
| 406-508
| 0 |
Frenchtown |
MT |
GRFLMTMAHMD |
073H TELNYX LLC |
648 |
|
2020-08-13 |
|
| 406-508
| 1 |
Frenchtown |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2012-12-24 |
|
| 406-508
| 2 |
Frenchtown |
MT |
MSSLMTMA0MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
2012-04-01 |
|
| 406-508
| 3 |
Frenchtown |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-03-07 |
|
| 406-508
| 4 |
Frenchtown |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-03-07 |
|
| 406-508
| 5 |
Frenchtown |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2019-09-15 |
|
| 406-508
| 6 |
Frenchtown |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2020-11-08 |
|
| 406-508
| 7 |
Frenchtown |
MT |
HLNAMTMAUMD |
508J CENTURYLINK COMMUNICATIONS, LLC |
648 |
|
2014-05-24 |
|
| 406-508
| 8 |
Frenchtown |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-07-05 |
|
| 406-508
| 9 |
Frenchtown |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-07-05 |
|
| 406-510
| A |
Missoula |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
|
|
| 406-510
| 0 |
Missoula |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2017-04-21 |
|
| 406-510
| 1 |
Missoula |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2017-04-21 |
|
| 406-510
| 2 |
Missoula |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2017-04-21 |
|
| 406-510
| 3 |
Missoula |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2017-04-21 |
|
| 406-510
| 4 |
Missoula |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2017-04-21 |
|
| 406-510
| 5 |
Missoula |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2017-04-21 |
|
| 406-510
| 6 |
Missoula |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2017-04-21 |
|
| 406-510
| 7 |
Missoula |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2017-04-21 |
|
| 406-510
| 8 |
Missoula |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2017-04-21 |
|
| 406-510
| 9 |
Missoula |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2017-04-21 |
|
| 406-512
| A |
Boulder |
MT |
MSSLMTMA0MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
|
|
| 406-512
| 0 |
Boulder |
MT |
GRFLMTMAHMD |
073H TELNYX LLC |
648 |
|
2023-07-16 |
|
| 406-512
| 1 |
Boulder |
MT |
MSSLMTMA0MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
2023-04-25 |
|
| 406-512
| 2 |
Boulder |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2023-04-26 |
|
| 406-512
| 8 |
Boulder |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2023-08-20 |
|
| 406-513
| A |
Helena |
MT |
|
792K CHARTER IP ENABLED SERVICES, LLC |
648 |
|
|
|
| 406-513
| 1 |
Helena |
MT |
|
792K CHARTER IP ENABLED SERVICES, LLC |
648 |
|
2008-05-30 |
|
| 406-513
| 8 |
Helena |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2024-09-11 |
|
| 406-513
| 9 |
Helena |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2024-09-11 |
|
| 406-514
| A |
Culbertson |
MT |
BLNGMTMAMMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
650 |
|
|
|
| 406-514
| 0 |
Culbertson |
MT |
BLNGMTMAMMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
650 |
|
2010-12-17 |
|
| 406-515
| A |
Superior |
MT |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
|
|
| 406-515
| 0 |
Superior |
MT |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
|
|
| 406-515
| 9 |
Superior |
MT |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
2021-05-24 |
|
| 406-516
| A |
Laurel |
MT |
BLNGMT93EMD |
490J DISH WIRELESS, LLC |
650 |
|
|
|
| 406-516
| 0 |
Laurel |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2023-12-13 |
|
| 406-516
| 1 |
Laurel |
MT |
|
453F ONVOY, LLC - MT |
650 |
|
2024-04-14 |
|
| 406-516
| 9 |
Laurel |
MT |
BLNGMT93EMD |
490J DISH WIRELESS, LLC |
650 |
|
2023-06-29 |
|
| 406-517
| A |
Livingston |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2024-07-22 |
|
| 406-517
| 0 |
Livingston |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2024-07-22 |
|
| 406-517
| 1 |
Livingston |
MT |
|
6529 T-MOBILE USA, INC. |
650 |
|
2024-09-23 |
|
| 406-518
| A |
Gallatin Gateway |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
|
|
| 406-518
| 0 |
Gallatin Gateway |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2012-12-17 |
|
| 406-518
| 1 |
Gallatin Gateway |
MT |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2015-05-31 |
|
| 406-518
| 2 |
Gallatin Gateway |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-02-11 |
|
| 406-518
| 3 |
Gallatin Gateway |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-02-11 |
|
| 406-518
| 4 |
Gallatin Gateway |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2019-09-15 |
|
| 406-518
| 5 |
Gallatin Gateway |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2020-11-10 |
|
| 406-518
| 6 |
Gallatin Gateway |
MT |
BLNGMTWE8MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
650 |
|
2016-08-11 |
|
| 406-518
| 7 |
Gallatin Gateway |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2011-11-24 |
|
| 406-518
| 8 |
Gallatin Gateway |
MT |
BLNGMT933MD |
073H TELNYX LLC |
650 |
|
2019-10-04 |
|
| 406-518
| 9 |
Gallatin Gateway |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-07-05 |
|
| 406-519
| A |
Missoula |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
|
|
| 406-519
| 0 |
Missoula |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-07-05 |
|
| 406-519
| 1 |
Missoula |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-07-05 |
|
| 406-519
| 2 |
Missoula |
MT |
MSSLMTMA0MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
2021-06-27 |
|
| 406-519
| 3 |
Missoula |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-07-05 |
|
| 406-519
| 4 |
Missoula |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-03-26 |
|
| 406-519
| 5 |
Missoula |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-03-26 |
|
| 406-519
| 6 |
Missoula |
MT |
|
939H COMMIO, LLC |
648 |
|
2023-09-22 |
|
| 406-519
| 7 |
Missoula |
MT |
GRFLMTMANMD |
515J IP HORIZON LLC |
648 |
|
2021-10-22 |
|
| 406-519
| 8 |
Missoula |
MT |
MSSLMTMACMD |
6529 T-MOBILE USA, INC. |
648 |
|
2022-05-20 |
|
| 406-519
| 9 |
Missoula |
MT |
MSSLMTMACMD |
6529 T-MOBILE USA, INC. |
648 |
|
2022-05-20 |
|
| 406-520
| A |
Absarokee |
MT |
BLNGMT93BMD |
321J HD CARRIER LLC |
650 |
|
|
|
| 406-520
| 5 |
Absarokee |
MT |
BLNGMT93BMD |
321J HD CARRIER LLC |
650 |
|
2020-09-27 |
|
| 406-520
| 6 |
Absarokee |
MT |
BLNGMT93BMD |
321J HD CARRIER LLC |
650 |
|
2020-11-01 |
|
| 406-521
| A |
Townsend |
MT |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
|
|
| 406-521
| 0 |
Townsend |
MT |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
|
|
| 406-521
| 1 |
Townsend |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2012-12-17 |
|
| 406-521
| 2 |
Townsend |
MT |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2019-01-17 |
|
| 406-521
| 3 |
Townsend |
MT |
HLNAMTMAMMD |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
648 |
|
2017-08-07 |
|
| 406-521
| 4 |
Townsend |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2019-09-15 |
|
| 406-521
| 5 |
Townsend |
MT |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2019-06-21 |
|
| 406-521
| 6 |
Townsend |
MT |
HLNAMTMAUMD |
508J CENTURYLINK COMMUNICATIONS, LLC |
648 |
|
2014-05-24 |
|
| 406-521
| 7 |
Townsend |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2011-10-24 |
|
| 406-521
| 8 |
Townsend |
MT |
GRFLMTMAHMD |
073H TELNYX LLC |
648 |
|
2020-08-13 |
|
| 406-521
| 9 |
Townsend |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-03-07 |
|
<< 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 >>
Last updated: Sun, 06 Oct 2024 02:51:32 UTC
Sponsored by: BeeVox - Whitelabel Reseller Platform
Like this site? We accept donations via PayPal.