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 |
| 406-693
| 9 |
Warm Springs |
MT |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-694
| A |
Billings |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
|
|
| 406-694
| 0 |
Billings |
MT |
|
746D MONTANA OPTICOM, LLC - MT |
650 |
|
2010-08-16 |
|
| 406-694
| 1 |
Billings |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2012-04-06 |
|
| 406-694
| 2 |
Billings |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2011-02-25 |
|
| 406-694
| 3 |
Billings |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2011-03-18 |
|
| 406-694
| 4 |
Billings |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2011-04-04 |
|
| 406-694
| 5 |
Billings |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2011-06-03 |
|
| 406-694
| 6 |
Billings |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2011-07-05 |
|
| 406-694
| 7 |
Billings |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2011-08-02 |
|
| 406-694
| 8 |
Billings |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2011-07-08 |
|
| 406-694
| 9 |
Billings |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2011-08-04 |
|
| 406-695
| A |
Frazer |
MT |
FRZRMTXCRS1 |
2247 NEMONT TEL COOP INC |
650 |
|
|
|
| 406-695
| 2 |
Frazer |
MT |
|
2247 NEMONT TEL COOP INC |
650 |
|
|
|
| 406-695
| 7 |
Frazer |
MT |
|
443B SAGEBRUSH CELLULAR, INC. |
650 |
|
|
|
| 406-696
| A |
Billings |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
|
|
| 406-697
| A |
Billings |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
|
|
| 406-698
| A |
Billings |
MT |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
|
|
| 406-699
| A |
Hardin |
MT |
BLNGMTMAMMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
650 |
|
|
|
| 406-699
| 0 |
Hardin |
MT |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
650 |
|
|
|
| 406-699
| 1 |
Hardin |
MT |
|
145J TERRA NOVA TELECOM INC. |
650 |
|
2022-05-05 |
|
| 406-699
| 7 |
Hardin |
MT |
|
145J TERRA NOVA TELECOM INC. |
650 |
|
2025-02-14 |
|
| 406-699
| 8 |
Hardin |
MT |
|
145J TERRA NOVA TELECOM INC. |
650 |
|
2025-10-31 |
|
| 406-699
| 9 |
Hardin |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2024-08-23 |
|
| 406-702
| A |
Billings |
MT |
BLNGMT93HMD |
792K CHARTER IP ENABLED SERVICES, LLC |
650 |
|
|
|
| 406-702
| 0 |
Billings |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2012-09-13 |
|
| 406-702
| 1 |
Billings |
MT |
|
792K CHARTER IP ENABLED SERVICES, LLC |
650 |
|
2012-05-06 |
|
| 406-702
| 2 |
Billings |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2012-09-21 |
|
| 406-702
| 3 |
Billings |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2012-09-21 |
|
| 406-702
| 4 |
Billings |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2012-09-21 |
|
| 406-702
| 5 |
Billings |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2012-09-21 |
|
| 406-702
| 6 |
Billings |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2012-10-15 |
|
| 406-702
| 7 |
Billings |
MT |
|
792K CHARTER IP ENABLED SERVICES, LLC |
650 |
|
2013-12-06 |
|
| 406-702
| 8 |
Billings |
MT |
|
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2022-11-17 |
|
| 406-702
| 9 |
Billings |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2012-10-30 |
|
| 406-703
| A |
Columbus |
MT |
BLNGMTWE0MD |
073H TELNYX LLC |
650 |
|
|
|
| 406-703
| 0 |
Columbus |
MT |
|
073H TELNYX LLC |
650 |
|
2021-07-16 |
|
| 406-703
| 1 |
Columbus |
MT |
|
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2021-09-06 |
|
| 406-703
| 2 |
Columbus |
MT |
|
624H ONVOY SPECTRUM, LLC |
650 |
|
2024-03-22 |
|
| 406-703
| 3 |
Columbus |
MT |
|
453F ONVOY, LLC - MT |
650 |
|
2021-08-28 |
|
| 406-703
| 6 |
Columbus |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2025-09-29 |
|
| 406-703
| 7 |
Columbus |
MT |
|
588H AIRUS, INC. - MT |
650 |
|
2025-05-15 |
|
| 406-703
| 8 |
Columbus |
MT |
|
939H COMMIO, LLC |
650 |
|
2021-11-14 |
|
| 406-703
| 9 |
Columbus |
MT |
|
939H COMMIO, LLC |
650 |
|
2021-11-14 |
|
| 406-707
| A |
Lewistown |
MT |
|
145J TERRA NOVA TELECOM INC. |
648 |
|
|
|
| 406-707
| 0 |
Lewistown |
MT |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2015-03-19 |
|
| 406-707
| 5 |
Lewistown |
MT |
|
145J TERRA NOVA TELECOM INC. |
648 |
|
2025-10-13 |
|
| 406-707
| 6 |
Lewistown |
MT |
|
453F ONVOY, LLC - MT |
648 |
|
2020-11-08 |
|
| 406-707
| 7 |
Lewistown |
MT |
|
624H ONVOY SPECTRUM, LLC |
648 |
|
2024-12-27 |
|
| 406-708
| A |
Lewistown |
MT |
|
743G WIDE VOICE, LLC - MT |
648 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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