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 >>
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
406-633
| 5 |
Laurel |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2011-06-03 |
|
406-633
| 7 |
Laurel |
MT |
BLNGMTMATMD |
935G TRI TEL, INC. - MT |
650 |
|
2013-01-28 |
|
406-633
| 8 |
Laurel |
MT |
BLNGMTMARMD |
357E YMAX COMMUNICATIONS CORP. - MT |
650 |
|
2011-04-04 |
|
406-633
| 9 |
Laurel |
MT |
PRCYMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
406-634
| A |
Helena |
MT |
HLNAMTMAX0X |
7421 AT&T - LOCAL |
648 |
|
|
|
406-634
| 3 |
Helena |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2020-09-06 |
|
406-634
| 4 |
Helena |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2020-09-06 |
|
406-634
| 5 |
Helena |
MT |
GRFLMTMA69Z |
490J DISH WIRELESS, LLC |
648 |
|
2023-08-21 |
|
406-634
| 6 |
Helena |
MT |
GRFLMTMA69Z |
490J DISH WIRELESS, LLC |
648 |
|
2023-12-18 |
|
406-634
| 9 |
Helena |
MT |
HLNAMTMAX0X |
7421 AT&T - LOCAL |
648 |
|
|
|
406-635
| A |
Terry (Mid-Rivers) |
MT |
TRRYMTAARS0 |
2246 MID-RIVERS TEL. COOP., INC. |
650 |
|
|
|
406-635
| 0 |
Terry (Mid-Rivers) |
MT |
BLNGMT933MD |
073H TELNYX LLC |
650 |
|
2018-07-25 |
|
406-635
| 1 |
Terry (Mid-Rivers) |
MT |
BLNGMT93DS0 |
588H AIRUS, INC. - MT |
650 |
|
2021-02-18 |
|
406-635
| 2 |
Terry (Mid-Rivers) |
MT |
|
145J TERRA NOVA TELECOM INC. |
650 |
|
2021-11-04 |
|
406-635
| 3 |
Terry (Mid-Rivers) |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-07-08 |
|
406-635
| 4 |
Terry (Mid-Rivers) |
MT |
TRRYMTAARS0 |
2246 MID-RIVERS TEL. COOP., INC. |
650 |
|
|
|
406-635
| 5 |
Terry (Mid-Rivers) |
MT |
TRRYMTAARS0 |
2246 MID-RIVERS TEL. COOP., INC. |
650 |
|
|
|
406-635
| 6 |
Terry (Mid-Rivers) |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2018-12-17 |
|
406-635
| 7 |
Terry (Mid-Rivers) |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-03-07 |
|
406-635
| 8 |
Terry (Mid-Rivers) |
MT |
BLNGMT93DS0 |
588H AIRUS, INC. - MT |
650 |
|
2018-03-02 |
|
406-635
| 9 |
Terry (Mid-Rivers) |
MT |
TRRYMTAARS0 |
2246 MID-RIVERS TEL. COOP., INC. |
650 |
|
|
|
406-636
| A |
Lavina |
MT |
LAVNMTXCRS1 |
2246 MID-RIVERS TEL. COOP., INC. |
650 |
|
|
|
406-637
| A |
Terry |
MT |
TRRYMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
406-637
| 3 |
Terry |
MT |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2012-02-10 |
|
406-637
| 4 |
Terry |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2012-12-17 |
|
406-637
| 5 |
Terry |
MT |
TRRYMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
406-637
| 6 |
Terry |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2007-03-19 |
|
406-637
| 7 |
Terry |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2011-10-24 |
|
406-637
| 8 |
Terry |
MT |
BLNGMT93DS0 |
588H AIRUS, INC. - MT |
650 |
|
2019-05-11 |
|
406-638
| A |
Hardin |
MT |
CWAGMTXCDS0 |
2250 PROJECT TEL. CO., INC. |
650 |
|
|
|
406-638
| 1 |
Hardin |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2014-09-05 |
|
406-638
| 2 |
Hardin |
MT |
CWAGMTXCDS0 |
2250 PROJECT TEL. CO., INC. |
650 |
|
|
|
406-638
| 3 |
Hardin |
MT |
CWAGMTXCDS0 |
2250 PROJECT TEL. CO., INC. |
650 |
|
|
|
406-638
| 4 |
Hardin |
MT |
CWAGMTXCDS0 |
2250 PROJECT TEL. CO., INC. |
650 |
|
|
|
406-638
| 5 |
Hardin |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-07-05 |
|
406-638
| 6 |
Hardin |
MT |
BLNGMTWEBMD |
771G TELEPORT COMMUNICATIONS AMERICA MT - LLC |
650 |
|
2020-08-07 |
|
406-638
| 7 |
Hardin |
MT |
CWAGMTXCDS0 |
2250 PROJECT TEL. CO., INC. |
650 |
|
|
|
406-638
| 8 |
Hardin |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-07-05 |
|
406-638
| 9 |
Hardin |
MT |
CWAGMTXCDS0 |
2250 PROJECT TEL. CO., INC. |
650 |
|
|
|
406-639
| A |
Lodge Grass |
MT |
LDGSMTXCRS1 |
2250 PROJECT TEL. CO., INC. |
650 |
|
|
|
406-640
| A |
West Yellowstone |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
|
|
406-640
| 0 |
West Yellowstone |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
|
|
406-640
| 1 |
West Yellowstone |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
|
|
406-640
| 2 |
West Yellowstone |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
|
|
406-640
| 3 |
West Yellowstone |
MT |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2010-02-20 |
|
406-640
| 4 |
West Yellowstone |
MT |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2011-01-10 |
|
406-640
| 5 |
West Yellowstone |
MT |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2022-02-12 |
|
406-640
| 6 |
West Yellowstone |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-07-08 |
|
406-640
| 7 |
West Yellowstone |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2022-06-18 |
|
406-640
| 8 |
West Yellowstone |
MT |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2014-03-31 |
|
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Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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