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 |
| 406-574
| 5 |
Silvertip |
MT |
|
478J NUSO, LLC |
654 |
|
2023-12-09 |
|
| 406-574
| 6 |
Silvertip |
MT |
|
478J NUSO, LLC |
654 |
|
2023-12-09 |
|
| 406-574
| 7 |
Silvertip |
MT |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
654 |
|
2015-03-18 |
|
| 406-574
| 8 |
Silvertip |
MT |
|
478J NUSO, LLC |
654 |
|
2020-10-11 |
|
| 406-575
| A |
North Ryegate |
MT |
WGLNMTXCDS2 |
2246 MID-RIVERS TEL. COOP., INC. |
650 |
|
|
|
| 406-576
| A |
Conrad |
MT |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
|
|
| 406-576
| 1 |
Conrad |
MT |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
648 |
|
2017-08-15 |
|
| 406-576
| 9 |
Conrad |
MT |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
2024-12-23 |
|
| 406-577
| A |
Bozeman |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
|
|
| 406-577
| 0 |
Bozeman |
MT |
|
588H AIRUS, INC. - MT |
650 |
|
2018-02-26 |
|
| 406-577
| 1 |
Bozeman |
MT |
|
453F ONVOY, LLC - MT |
650 |
|
|
|
| 406-577
| 2 |
Bozeman |
MT |
|
792K CHARTER IP ENABLED SERVICES, LLC |
650 |
|
2011-07-28 |
|
| 406-577
| 3 |
Bozeman |
MT |
|
453F ONVOY, LLC - MT |
650 |
|
2015-08-13 |
|
| 406-577
| 4 |
Bozeman |
MT |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
650 |
|
2017-09-15 |
|
| 406-577
| 5 |
Bozeman |
MT |
|
771G TELEPORT COMMUNICATIONS AMERICA MT - LLC |
650 |
|
2014-08-06 |
|
| 406-577
| 6 |
Bozeman |
MT |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
650 |
|
2010-11-05 |
|
| 406-577
| 7 |
Bozeman |
MT |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
650 |
|
2016-08-10 |
|
| 406-577
| 8 |
Bozeman |
MT |
|
453F ONVOY, LLC - MT |
650 |
|
2014-03-31 |
|
| 406-577
| 9 |
Bozeman |
MT |
|
453F ONVOY, LLC - MT |
650 |
|
2014-03-31 |
|
| 406-578
| A |
Wilsall |
MT |
WLSLMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-578
| 0 |
Wilsall |
MT |
|
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2004-11-13 |
|
| 406-578
| 1 |
Wilsall |
MT |
|
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2009-02-13 |
|
| 406-578
| 2 |
Wilsall |
MT |
|
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-578
| 3 |
Wilsall |
MT |
|
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2011-08-11 |
|
| 406-578
| 4 |
Wilsall |
MT |
|
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2011-08-11 |
|
| 406-578
| 5 |
Wilsall |
MT |
|
453F ONVOY, LLC - MT |
650 |
|
2011-10-24 |
|
| 406-578
| 6 |
Wilsall |
MT |
|
624H ONVOY SPECTRUM, LLC |
650 |
|
2025-01-23 |
|
| 406-578
| 7 |
Wilsall |
MT |
|
453F ONVOY, LLC - MT |
650 |
|
2007-03-19 |
|
| 406-578
| 8 |
Wilsall |
MT |
|
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2015-08-10 |
|
| 406-578
| 9 |
Wilsall |
MT |
|
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-579
| A |
Bozeman |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
|
|
| 406-580
| A |
Bozeman |
MT |
BLNGMTMAMMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
650 |
|
|
|
| 406-581
| A |
Bozeman |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
|
|
| 406-582
| A |
Bozeman |
MT |
BZMNMTMADS0 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-583
| A |
Bloomfield |
MT |
WGLNMTXCDS2 |
2246 MID-RIVERS TEL. COOP., INC. |
650 |
|
|
|
| 406-584
| A |
Lindsay |
MT |
WGLNMTXCDS2 |
2246 MID-RIVERS TEL. COOP., INC. |
650 |
|
|
|
| 406-584
| 7 |
Lindsay |
MT |
|
2246 MID-RIVERS TEL. COOP., INC. |
650 |
|
|
|
| 406-584
| 9 |
Lindsay |
MT |
|
2246 MID-RIVERS TEL. COOP., INC. |
650 |
|
|
|
| 406-585
| A |
Bozeman |
MT |
BZMNMTMADS0 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-586
| A |
Bozeman |
MT |
BZMNMTMADS0 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-587
| A |
Bozeman |
MT |
BZMNMTMADS0 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-588
| A |
Carlyle |
MT |
WGLNMTXCDS2 |
2246 MID-RIVERS TEL. COOP., INC. |
650 |
|
|
|
| 406-589
| A |
Bozeman |
MT |
BLNGMTMAXMD |
6529 T-MOBILE USA, INC. |
650 |
|
|
|
| 406-589
| 0 |
Bozeman |
MT |
|
5562 METROPCS, INC. |
650 |
|
2018-08-04 |
|
| 406-589
| 1 |
Bozeman |
MT |
|
6529 T-MOBILE USA, INC. |
650 |
|
2022-09-17 |
|
| 406-589
| 2 |
Bozeman |
MT |
|
6529 T-MOBILE USA, INC. |
650 |
|
2020-04-11 |
|
| 406-589
| 3 |
Bozeman |
MT |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
650 |
|
2018-07-23 |
|
| 406-589
| 4 |
Bozeman |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2012-07-20 |
|
| 406-589
| 5 |
Bozeman |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2012-08-20 |
|
| 406-589
| 6 |
Bozeman |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2012-10-15 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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