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 |
| 406-215
| 5 |
Missoula |
MT |
|
5562 METROPCS, INC. |
648 |
|
2017-03-27 |
|
| 406-215
| 6 |
Missoula |
MT |
|
5562 METROPCS, INC. |
648 |
|
2017-03-27 |
|
| 406-215
| 7 |
Missoula |
MT |
|
6529 T-MOBILE USA, INC. |
648 |
|
2021-02-21 |
|
| 406-215
| 8 |
Missoula |
MT |
|
622J SKYE TELECOM LLC DBA SKYETEL |
648 |
|
2021-11-04 |
|
| 406-215
| 9 |
Missoula |
MT |
|
453F ONVOY, LLC - MT |
648 |
|
2017-11-17 |
|
| 406-216
| A |
Great Falls |
MT |
GRFLMTMAHG1 |
3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT |
648 |
|
|
|
| 406-216
| 0 |
Great Falls |
MT |
|
3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT |
648 |
|
2023-02-24 |
|
| 406-216
| 1 |
Great Falls |
MT |
|
3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT |
648 |
|
|
|
| 406-216
| 2 |
Great Falls |
MT |
|
3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT |
648 |
|
|
|
| 406-216
| 3 |
Great Falls |
MT |
|
3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT |
648 |
|
|
|
| 406-216
| 4 |
Great Falls |
MT |
|
3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT |
648 |
|
|
|
| 406-216
| 5 |
Great Falls |
MT |
|
3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT |
648 |
|
|
|
| 406-216
| 6 |
Great Falls |
MT |
|
073H TELNYX LLC |
648 |
|
2023-05-13 |
|
| 406-216
| 7 |
Great Falls |
MT |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
2025-01-19 |
|
| 406-216
| 8 |
Great Falls |
MT |
|
3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT |
648 |
|
|
|
| 406-216
| 9 |
Great Falls |
MT |
|
3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT |
648 |
|
|
|
| 406-217
| A |
Great Falls |
MT |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
|
|
| 406-217
| 0 |
Great Falls |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2024-12-20 |
|
| 406-217
| 1 |
Great Falls |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2007-07-09 |
|
| 406-217
| 2 |
Great Falls |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2007-07-30 |
|
| 406-217
| 3 |
Great Falls |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2007-09-24 |
|
| 406-217
| 4 |
Great Falls |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2007-10-15 |
|
| 406-217
| 5 |
Great Falls |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2008-03-17 |
|
| 406-217
| 6 |
Great Falls |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2008-08-18 |
|
| 406-217
| 7 |
Great Falls |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2008-09-22 |
|
| 406-217
| 8 |
Great Falls |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2008-11-07 |
|
| 406-217
| 9 |
Great Falls |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2025-03-02 |
|
| 406-218
| A |
Missoula |
MT |
MSSLMTMACMD |
6529 T-MOBILE USA, INC. |
648 |
|
|
|
| 406-218
| 0 |
Missoula |
MT |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
2023-05-20 |
|
| 406-218
| 1 |
Missoula |
MT |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
2006-08-18 |
|
| 406-218
| 2 |
Missoula |
MT |
|
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
2016-04-21 |
|
| 406-218
| 3 |
Missoula |
MT |
|
9636 QWEST CORPORATION |
648 |
|
2013-02-25 |
|
| 406-218
| 4 |
Missoula |
MT |
|
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
2022-08-27 |
|
| 406-218
| 5 |
Missoula |
MT |
|
9636 QWEST CORPORATION |
648 |
|
2013-02-25 |
|
| 406-218
| 6 |
Missoula |
MT |
|
6529 T-MOBILE USA, INC. |
648 |
|
2021-02-21 |
|
| 406-218
| 7 |
Missoula |
MT |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
648 |
|
2017-06-16 |
|
| 406-218
| 8 |
Missoula |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2004-09-17 |
|
| 406-218
| 9 |
Missoula |
MT |
|
6529 T-MOBILE USA, INC. |
648 |
|
2004-09-17 |
|
| 406-219
| A |
Bozeman |
MT |
|
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
|
|
| 406-219
| 0 |
Bozeman |
MT |
|
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2006-10-24 |
|
| 406-219
| 1 |
Bozeman |
MT |
|
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2010-02-20 |
|
| 406-219
| 2 |
Bozeman |
MT |
|
792K CHARTER IP ENABLED SERVICES, LLC |
650 |
|
2014-05-28 |
|
| 406-219
| 3 |
Bozeman |
MT |
|
792K CHARTER IP ENABLED SERVICES, LLC |
650 |
|
2006-12-20 |
|
| 406-219
| 4 |
Bozeman |
MT |
|
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2010-06-17 |
|
| 406-219
| 5 |
Bozeman |
MT |
|
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2010-10-21 |
|
| 406-219
| 6 |
Bozeman |
MT |
|
6529 T-MOBILE USA, INC. |
650 |
|
2021-09-26 |
|
| 406-219
| 7 |
Bozeman |
MT |
|
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2011-04-03 |
|
| 406-219
| 8 |
Bozeman |
MT |
|
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2011-06-19 |
|
| 406-219
| 9 |
Bozeman |
MT |
|
6529 T-MOBILE USA, INC. |
650 |
|
2025-12-09 |
|
| 406-220
| A |
Livingston |
MT |
BLNGMTMAMMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
650 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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