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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 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
| 3 |
Helena |
MT |
MSSLMTMA0MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
2019-01-05 |
|
| 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 |
|
| 406-418
| 3 |
Cooke City |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-07-05 |
|
| 406-418
| 4 |
Cooke City |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2019-10-20 |
|
| 406-418
| 5 |
Cooke City |
MT |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2022-02-12 |
|
| 406-418
| 6 |
Cooke City |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2019-10-20 |
|
| 406-418
| 7 |
Cooke City |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-03-07 |
|
| 406-418
| 8 |
Cooke City |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-03-07 |
|
| 406-418
| 9 |
Cooke City |
MT |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2022-03-21 |
|
| 406-419
| A |
Victor |
MT |
MSSLMTMAHMD |
7421 AT&T - LOCAL |
648 |
|
|
|
| 406-419
| 0 |
Victor |
MT |
GRFLMTMAHMD |
073H TELNYX LLC |
648 |
|
2020-08-13 |
|
| 406-419
| 1 |
Victor |
MT |
MSSLMTMA0MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
2021-05-01 |
|
| 406-419
| 2 |
Victor |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-07-08 |
|
| 406-419
| 4 |
Victor |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2020-11-08 |
|
| 406-419
| 5 |
Victor |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-03-07 |
|
| 406-419
| 6 |
Victor |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-03-07 |
|
| 406-419
| 9 |
Victor |
MT |
MSSLMTMAHMD |
7421 AT&T - LOCAL |
648 |
|
2019-10-01 |
|
| 406-420
| A |
Bigfork |
MT |
KLSLMTAZDS0 |
008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] |
648 |
|
|
|
| 406-420
| 0 |
Bigfork |
MT |
MSSLMTMA0MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
2020-06-09 |
|
| 406-420
| 1 |
Bigfork |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2020-01-13 |
|
| 406-420
| 2 |
Bigfork |
MT |
KLSLMTAZDS0 |
008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] |
648 |
|
2006-04-21 |
|
| 406-420
| 3 |
Bigfork |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2012-12-10 |
|
| 406-420
| 4 |
Bigfork |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2012-12-10 |
|
| 406-420
| 5 |
Bigfork |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2012-12-10 |
|
| 406-420
| 6 |
Bigfork |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2011-02-28 |
|
| 406-420
| 7 |
Bigfork |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2007-04-14 |
|
| 406-420
| 8 |
Bigfork |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2010-04-03 |
|
| 406-420
| 9 |
Bigfork |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2019-09-15 |
|
| 406-421
| A |
South Miles City |
MT |
MLCYMTXCRS1 |
2251 RANGE TEL COOP INC |
650 |
|
|
|
| 406-421
| 0 |
South Miles City |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2023-03-16 |
|
| 406-421
| 2 |
South Miles City |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2023-12-29 |
|
| 406-421
| 5 |
South Miles City |
MT |
MLCYMTXCRS1 |
2251 RANGE TEL COOP INC |
650 |
|
|
|
| 406-421
| 9 |
South Miles City |
MT |
MLCYMTXCRS1 |
2251 RANGE TEL COOP INC |
650 |
|
|
|
| 406-422
| A |
Helena |
MT |
HLNAMTHHPS1 |
008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] |
648 |
|
|
|
| 406-422
| 0 |
Helena |
MT |
HLNAMTHHPS1 |
008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] |
648 |
|
2006-03-14 |
|
| 406-422
| 1 |
Helena |
MT |
HLNAMTHHPS1 |
008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] |
648 |
|
2007-10-19 |
|
| 406-422
| 2 |
Helena |
MT |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2007-12-18 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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