Local Calling Guide
Area code/prefix search
Lewistown, MT
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 406-350
| A |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
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| 406-350
| 0 |
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6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
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| 406-350
| 1 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
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| 406-350
| 2 |
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6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
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| 406-350
| 3 |
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6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
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| 406-350
| 4 |
|
453F ONVOY, LLC - MT |
648 |
|
2012-12-15 |
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| 406-350
| 5 |
|
453F ONVOY, LLC - MT |
648 |
|
2012-12-15 |
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| 406-350
| 6 |
|
453F ONVOY, LLC - MT |
648 |
|
2012-12-15 |
|
| 406-350
| 7 |
|
453F ONVOY, LLC - MT |
648 |
|
2012-12-15 |
|
| 406-350
| 8 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
2026-01-17 |
|
| 406-350
| 9 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
2014-11-22 |
|
| 406-366
| A |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
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| 406-366
| 0 |
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6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
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| 406-366
| 1 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
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| 406-366
| 2 |
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6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
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| 406-366
| 3 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
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| 406-366
| 4 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
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| 406-366
| 5 |
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6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
|
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| 406-366
| 6 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
|
|
| 406-366
| 8 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2025-10-03 |
|
| 406-366
| 9 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
|
|
| 406-380
| A |
HLNAMTMAX1X |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
|
|
| 406-380
| 0 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
|
|
| 406-380
| 1 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2021-04-22 |
|
| 406-380
| 2 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2011-08-08 |
|
| 406-380
| 3 |
|
453F ONVOY, LLC - MT |
648 |
|
2020-01-03 |
|
| 406-380
| 4 |
|
453F ONVOY, LLC - MT |
648 |
|
2019-09-15 |
|
| 406-380
| 5 |
|
453F ONVOY, LLC - MT |
648 |
|
2022-12-04 |
|
| 406-380
| 7 |
|
453F ONVOY, LLC - MT |
648 |
|
2021-07-05 |
|
| 406-380
| 8 |
|
073H TELNYX LLC |
648 |
|
2020-08-13 |
|
| 406-380
| 9 |
|
453F ONVOY, LLC - MT |
648 |
|
2021-07-05 |
|
| 406-535
| A |
LWTWMTAQRS1 |
7830 MID-RIVERS TELEPHONE COOPERATIVE, INC. |
648 |
|
|
|
| 406-538
| A |
LWTWMTMADS0 |
9636 QWEST CORPORATION |
648 |
|
|
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| 406-538
| 1 |
|
9636 QWEST CORPORATION |
648 |
|
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| 406-538
| 2 |
|
9636 QWEST CORPORATION |
648 |
|
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| 406-538
| 3 |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-538
| 4 |
|
9636 QWEST CORPORATION |
648 |
|
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|
| 406-538
| 5 |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-538
| 6 |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-538
| 7 |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-538
| 8 |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-538
| 9 |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-707
| A |
|
145J TERRA NOVA TELECOM INC. |
648 |
|
|
|
| 406-707
| 0 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
648 |
|
2015-03-19 |
|
| 406-707
| 5 |
|
145J TERRA NOVA TELECOM INC. |
648 |
|
2025-10-13 |
|
| 406-707
| 6 |
|
453F ONVOY, LLC - MT |
648 |
|
2020-11-08 |
|
| 406-707
| 7 |
|
624H ONVOY SPECTRUM, LLC |
648 |
|
2024-12-27 |
|
| 406-708
| A |
|
743G WIDE VOICE, LLC - MT |
648 |
|
|
|
| 406-708
| 1 |
|
743G WIDE VOICE, LLC - MT |
648 |
|
2025-08-12 |
|
| 406-708
| 2 |
|
453F ONVOY, LLC - MT |
648 |
|
2021-02-11 |
|
| 406-708
| 3 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
648 |
|
2016-09-27 |
|
| 406-708
| 4 |
|
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
2005-04-09 |
|
| 406-708
| 5 |
|
453F ONVOY, LLC - MT |
648 |
|
2021-02-11 |
|
| 406-708
| 6 |
|
453F ONVOY, LLC - MT |
648 |
|
2006-10-19 |
|
| 406-708
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
648 |
|
2014-05-24 |
|
| 406-708
| 8 |
|
453F ONVOY, LLC - MT |
648 |
|
2019-10-28 |
|
| 406-968
| A |
|
321J HD CARRIER LLC |
648 |
|
|
|
| 406-968
| 0 |
|
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
|
|
| 406-968
| 4 |
|
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
|
|
| 406-968
| 6 |
|
771G TELEPORT COMMUNICATIONS AMERICA MT - LLC |
648 |
|
2019-05-03 |
|
| 406-968
| 7 |
|
321J HD CARRIER LLC |
648 |
|
2025-07-15 |
|
| 406-968
| 8 |
|
321J HD CARRIER LLC |
648 |
|
2025-07-15 |
|
| 406-968
| 9 |
|
321J HD CARRIER LLC |
648 |
|
2025-07-15 |
|
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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