Local Calling Guide
Area code/prefix search
NPA: 406
[Rate centres in NPA 406]
[Dial plan for NPA 406]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 406-445
| 4 |
Red Lodge |
MT |
|
935G TRI TEL, INC. - MT |
650 |
|
2013-01-28 |
|
| 406-445
| 5 |
Red Lodge |
MT |
|
453F ONVOY, LLC - MT |
650 |
|
2021-07-05 |
|
| 406-445
| 6 |
Red Lodge |
MT |
|
073H TELNYX LLC |
650 |
|
2017-03-31 |
|
| 406-445
| 7 |
Red Lodge |
MT |
|
453F ONVOY, LLC - MT |
650 |
|
2007-03-19 |
|
| 406-445
| 8 |
Red Lodge |
MT |
|
771G TELEPORT COMMUNICATIONS AMERICA MT - LLC |
650 |
|
2023-04-08 |
|
| 406-445
| 9 |
Red Lodge |
MT |
|
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-446
| A |
Red Lodge |
MT |
RDLGMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-446
| 0 |
Red Lodge |
MT |
|
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-446
| 1 |
Red Lodge |
MT |
|
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-446
| 2 |
Red Lodge |
MT |
|
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-446
| 3 |
Red Lodge |
MT |
|
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-446
| 4 |
Red Lodge |
MT |
|
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-446
| 5 |
Red Lodge |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2026-02-06 |
|
| 406-446
| 6 |
Red Lodge |
MT |
|
453F ONVOY, LLC - MT |
650 |
|
2019-09-15 |
|
| 406-446
| 7 |
Red Lodge |
MT |
|
453F ONVOY, LLC - MT |
650 |
|
2011-10-24 |
|
| 406-446
| 8 |
Red Lodge |
MT |
|
453F ONVOY, LLC - MT |
650 |
|
2019-10-28 |
|
| 406-446
| 9 |
Red Lodge |
MT |
|
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-447
| A |
Helena |
MT |
HLNAMTMADS0 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-447
| 1 |
Helena |
MT |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-447
| 2 |
Helena |
MT |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-447
| 3 |
Helena |
MT |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-447
| 4 |
Helena |
MT |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-447
| 5 |
Helena |
MT |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-447
| 6 |
Helena |
MT |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-447
| 7 |
Helena |
MT |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-447
| 8 |
Helena |
MT |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-447
| 9 |
Helena |
MT |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-448
| A |
North Poplar |
MT |
NPPLMTXCRS1 |
2247 NEMONT TEL COOP INC |
650 |
|
|
|
| 406-448
| 2 |
North Poplar |
MT |
|
2247 NEMONT TEL COOP INC |
650 |
|
|
|
| 406-448
| 7 |
North Poplar |
MT |
|
443B SAGEBRUSH CELLULAR, INC. |
650 |
|
|
|
| 406-448
| 8 |
North Poplar |
MT |
|
145J TERRA NOVA TELECOM INC. |
650 |
|
2025-08-29 |
|
| 406-449
| A |
Helena |
MT |
HLNAMTMADS0 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-450
| A |
Shelby |
MT |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
|
|
| 406-450
| 0 |
Shelby |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
|
|
| 406-450
| 1 |
Shelby |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
|
|
| 406-450
| 2 |
Shelby |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
|
|
| 406-450
| 3 |
Shelby |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
|
|
| 406-450
| 4 |
Shelby |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
|
|
| 406-450
| 5 |
Shelby |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
|
|
| 406-450
| 6 |
Shelby |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
|
|
| 406-450
| 8 |
Shelby |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
|
|
| 406-451
| A |
Bozeman |
MT |
BLNGMTMAXMD |
6529 T-MOBILE USA, INC. |
650 |
|
|
|
| 406-451
| 0 |
Bozeman |
MT |
|
453F ONVOY, LLC - MT |
650 |
|
2017-11-17 |
|
| 406-451
| 1 |
Bozeman |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2007-12-18 |
|
| 406-451
| 2 |
Bozeman |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2007-12-28 |
|
| 406-451
| 3 |
Bozeman |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2008-02-19 |
|
| 406-451
| 4 |
Bozeman |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2008-03-04 |
|
| 406-451
| 5 |
Bozeman |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2008-09-08 |
|
| 406-451
| 6 |
Bozeman |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2008-10-08 |
|
| 406-451
| 7 |
Bozeman |
MT |
|
453F ONVOY, LLC - MT |
650 |
|
2012-04-20 |
|
<< 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 93 94 95 96 97 >>
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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