Local Calling Guide
Area code/prefix search
Libby, MT
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 406-283
| A |
LBBYMTXCDS0 |
4322 ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBER |
960 |
|
|
|
| 406-283
| 0 |
|
453F ONVOY, LLC - MT |
960 |
|
2020-06-05 |
|
| 406-283
| 1 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
960 |
|
|
|
| 406-283
| 2 |
|
4322 ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBER |
960 |
|
|
|
| 406-283
| 3 |
|
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
960 |
|
2017-04-01 |
|
| 406-283
| 4 |
|
453F ONVOY, LLC - MT |
960 |
|
2020-02-23 |
|
| 406-283
| 5 |
|
453F ONVOY, LLC - MT |
960 |
|
2021-08-28 |
|
| 406-283
| 6 |
|
4322 ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBER |
960 |
|
|
|
| 406-283
| 7 |
|
4322 ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBER |
960 |
|
|
|
| 406-283
| 8 |
|
453F ONVOY, LLC - MT |
960 |
|
2022-01-02 |
|
| 406-283
| 9 |
|
771G TELEPORT COMMUNICATIONS AMERICA MT - LLC |
960 |
|
2020-07-13 |
|
| 406-291
| A |
CRALIDXXGMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
960 |
|
|
|
| 406-291
| 0 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
960 |
|
|
|
| 406-291
| 1 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
960 |
|
|
|
| 406-291
| 2 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
960 |
|
|
|
| 406-291
| 3 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
960 |
|
|
|
| 406-291
| 4 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
960 |
|
|
|
| 406-291
| 5 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
960 |
|
|
|
| 406-291
| 6 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
960 |
|
|
|
| 406-291
| 7 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
960 |
|
|
|
| 406-291
| 8 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
960 |
|
2010-05-03 |
|
| 406-291
| 9 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
960 |
|
|
|
| 406-293
| A |
LBBYMTXCDS0 |
4322 ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBER |
960 |
|
|
|
| 406-293
| 0 |
|
4322 ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBER |
960 |
|
|
|
| 406-293
| 1 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
960 |
|
|
|
| 406-293
| 2 |
|
4322 ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBER |
960 |
|
|
|
| 406-293
| 3 |
|
4322 ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBER |
960 |
|
|
|
| 406-293
| 4 |
|
4322 ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBER |
960 |
|
|
|
| 406-293
| 5 |
|
4322 ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBER |
960 |
|
|
|
| 406-293
| 6 |
|
4322 ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBER |
960 |
|
|
|
| 406-293
| 7 |
|
4322 ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBER |
960 |
|
|
|
| 406-293
| 8 |
|
4322 ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBER |
960 |
|
|
|
| 406-293
| 9 |
|
4322 ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBER |
960 |
|
|
|
| 406-334
| A |
CRALIDABXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
960 |
|
|
|
| 406-334
| 0 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
960 |
|
|
|
| 406-334
| 1 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
960 |
|
2005-12-12 |
|
| 406-334
| 2 |
|
453F ONVOY, LLC - MT |
960 |
|
2020-09-06 |
|
| 406-334
| 3 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
960 |
|
2011-08-02 |
|
| 406-334
| 4 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
960 |
|
2014-10-23 |
|
| 406-334
| 5 |
|
453F ONVOY, LLC - MT |
960 |
|
2011-04-08 |
|
| 406-334
| 6 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
960 |
|
2020-12-15 |
|
| 406-334
| 7 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
960 |
|
2013-03-12 |
|
| 406-334
| 8 |
|
453F ONVOY, LLC - MT |
960 |
|
2019-10-12 |
|
| 406-334
| 9 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
960 |
|
2017-08-17 |
|
| 406-405
| A |
CRALIDXXX7X |
453F ONVOY, LLC - MT |
960 |
|
|
|
| 406-405
| 0 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
960 |
|
2022-12-13 |
|
| 406-405
| 1 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
960 |
|
2023-07-28 |
|
| 406-405
| 2 |
|
453F ONVOY, LLC - MT |
960 |
|
2022-11-06 |
|
| 406-405
| 3 |
|
624H ONVOY SPECTRUM, LLC |
960 |
|
2022-11-06 |
|
| 406-405
| 4 |
|
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
960 |
|
2023-05-14 |
|
| 406-405
| 5 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
960 |
|
2023-12-29 |
|
| 406-405
| 6 |
|
453F ONVOY, LLC - MT |
960 |
|
2024-04-14 |
|
| 406-405
| 7 |
|
453F ONVOY, LLC - MT |
960 |
|
2024-09-29 |
|
| 406-405
| 8 |
|
453F ONVOY, LLC - MT |
960 |
|
2023-08-20 |
|
| 406-405
| 9 |
|
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
960 |
|
2024-08-27 |
|
| 406-918
| A |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
960 |
|
2026-03-14 |
|
| 406-918
| 9 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
960 |
|
2026-03-14 |
|
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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