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 |
| 406-315
| 2 |
Great Falls |
MT |
HLNAMTHHPS1 |
008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] |
648 |
|
2011-11-17 |
|
| 406-315
| 3 |
Great Falls |
MT |
HLNAMTHHPS1 |
008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] |
648 |
|
2012-05-06 |
|
| 406-315
| 4 |
Great Falls |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2012-12-13 |
|
| 406-315
| 5 |
Great Falls |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2012-12-13 |
|
| 406-315
| 6 |
Great Falls |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2012-12-13 |
|
| 406-315
| 7 |
Great Falls |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2012-12-13 |
|
| 406-315
| 8 |
Great Falls |
MT |
HLNAMTHHPS1 |
008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] |
648 |
|
2014-04-30 |
|
| 406-315
| 9 |
Great Falls |
MT |
GRFLMTMAJMD |
843H SAGEBRUSH CELLULAR, INC. |
648 |
|
2017-11-05 |
|
| 406-316
| A |
Boulder |
MT |
HLNAMTMAX0X |
7421 AT&T - LOCAL |
648 |
|
|
|
| 406-316
| 0 |
Boulder |
MT |
GRFLMTMAKMD |
624H ONVOY SPECTRUM, LLC |
648 |
|
2021-11-14 |
|
| 406-316
| 1 |
Boulder |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-04-22 |
|
| 406-316
| 2 |
Boulder |
MT |
GRFLMTMAKMD |
624H ONVOY SPECTRUM, LLC |
648 |
|
2021-07-18 |
|
| 406-316
| 3 |
Boulder |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2020-06-05 |
|
| 406-316
| 4 |
Boulder |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2020-11-08 |
|
| 406-316
| 5 |
Boulder |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-05-15 |
|
| 406-316
| 6 |
Boulder |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-08-28 |
|
| 406-316
| 7 |
Boulder |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-10-11 |
|
| 406-316
| 8 |
Boulder |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-11-18 |
|
| 406-316
| 9 |
Boulder |
MT |
HLNAMTMAX0X |
7421 AT&T - LOCAL |
648 |
|
2019-10-01 |
|
| 406-317
| A |
Missoula |
MT |
GRFLMTMAHMD |
073H TELNYX LLC |
648 |
|
|
|
| 406-317
| 0 |
Missoula |
MT |
MSSLMTMAYMD |
771G TELEPORT COMMUNICATIONS AMERICA MT - LLC |
648 |
|
2019-09-10 |
|
| 406-317
| 1 |
Missoula |
MT |
MSSLMTEHPS0 |
008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] |
648 |
|
2012-05-06 |
|
| 406-317
| 2 |
Missoula |
MT |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2013-03-12 |
|
| 406-317
| 3 |
Missoula |
MT |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2013-03-12 |
|
| 406-317
| 4 |
Missoula |
MT |
GRFLMTMAHMD |
073H TELNYX LLC |
648 |
|
2020-01-16 |
|
| 406-317
| 5 |
Missoula |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-02-19 |
|
| 406-317
| 6 |
Missoula |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-02-19 |
|
| 406-317
| 7 |
Missoula |
MT |
MSSLMTMA0MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
2020-09-19 |
|
| 406-317
| 8 |
Missoula |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-02-19 |
|
| 406-317
| 9 |
Missoula |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-02-19 |
|
| 406-318
| A |
Billings |
MT |
BLNGMTMARMD |
357E YMAX COMMUNICATIONS CORP. - MT |
650 |
|
|
|
| 406-318
| 0 |
Billings |
MT |
BLNGMTMARMD |
357E YMAX COMMUNICATIONS CORP. - MT |
650 |
|
2011-04-03 |
|
| 406-318
| 1 |
Billings |
MT |
BLNGMTMARMD |
357E YMAX COMMUNICATIONS CORP. - MT |
650 |
|
2011-04-03 |
|
| 406-318
| 2 |
Billings |
MT |
BLNGMTWE9MD |
073H TELNYX LLC |
650 |
|
2023-01-09 |
|
| 406-318
| 3 |
Billings |
MT |
BLNGMT939MD |
145J TERRA NOVA TELECOM INC. |
650 |
|
2023-06-24 |
|
| 406-318
| 5 |
Billings |
MT |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2015-01-04 |
|
| 406-318
| 6 |
Billings |
MT |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2015-01-04 |
|
| 406-318
| 7 |
Billings |
MT |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2015-01-04 |
|
| 406-318
| 8 |
Billings |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2015-12-10 |
|
| 406-318
| 9 |
Billings |
MT |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2015-06-29 |
|
| 406-319
| A |
Polson |
MT |
MSSLMTEHPS0 |
008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] |
648 |
|
|
|
| 406-319
| 0 |
Polson |
MT |
MSSLMTMACMD |
6529 T-MOBILE USA, INC. |
648 |
|
2023-12-16 |
|
| 406-319
| 1 |
Polson |
MT |
GRFLMTMAHMD |
073H TELNYX LLC |
648 |
|
2020-08-13 |
|
| 406-319
| 2 |
Polson |
MT |
MSSLMTEHPS0 |
008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] |
648 |
|
2006-04-17 |
|
| 406-319
| 3 |
Polson |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-03-07 |
|
| 406-319
| 4 |
Polson |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2019-09-15 |
|
| 406-319
| 5 |
Polson |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-03-07 |
|
| 406-319
| 6 |
Polson |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2007-03-08 |
|
| 406-319
| 8 |
Polson |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-07-05 |
|
| 406-319
| 9 |
Polson |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-07-05 |
|
<< 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 >>
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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