Local Calling Guide

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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
406-470 1 Shelby MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2008-10-16   
406-470 2 Shelby MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2010-01-20   
406-470 4 Shelby MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-04-09   
406-470 6 Shelby MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2011-02-06   
406-470 7 Shelby MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2011-09-30   
406-470 8 Shelby MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-10-28   
406-470 9 Shelby MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-07-05   
406-471 A Kalispell MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-472 A Dupuyer MT FRFDMTXCDS1  2255 3 RIVERS TEL. COOP., INC. 648      
406-473 A Judith Gap MT FTBNMTXCDS0  3310 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-474 A Flaxville MT FLVLMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-475 A Helena MT CNFYMT02RS1  9636 QWEST CORPORATION 648      
406-475 0 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2013-03-12   
406-475 1 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2013-04-15   
406-475 2 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2012-04-06   
406-475 3 Helena MT CNFYMT02RS1  9636 QWEST CORPORATION 648      
406-475 4 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2012-08-06   
406-475 5 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2012-09-20   
406-475 6 Helena MT HLNAMTMAWMD  6529 T-MOBILE USA, INC. 648   2024-09-27   
406-475 7 Helena MT HLNAMTMAWMD  6529 T-MOBILE USA, INC. 648   2024-09-27   
406-475 9 Helena MT CNFYMT02RS1  9636 QWEST CORPORATION 648      
406-476 A Dutton MT DTTNMTMARS1  9636 QWEST CORPORATION 648      
406-476 0 Dutton MT GRFLMTMAHMD  073H TELNYX LLC 648   2020-08-09   
406-476 1 Dutton MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-17   
406-476 2 Dutton MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2017-10-20   
406-476 3 Dutton MT DTTNMTMARS1  9636 QWEST CORPORATION 648      
406-476 4 Dutton MT   624H ONVOY SPECTRUM, LLC 648   2025-02-02   
406-476 5 Dutton MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2011-10-21   
406-476 6 Dutton MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2020-11-08   
406-476 7 Dutton MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2007-03-19   
406-476 8 Dutton MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-07   
406-476 9 Dutton MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-07   
406-477 A Lame Deer MT LMDRMTXCRS1  2251 RANGE TEL COOP INC 650      
406-477 1 Lame Deer MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650   2018-08-27   
406-477 3 Lame Deer MT LMDRMTXCRS1  2251 RANGE TEL COOP INC 650      
406-477 4 Lame Deer MT LMDRMTXCRS1  2251 RANGE TEL COOP INC 650      
406-477 6 Lame Deer MT LMDRMTXCRS1  2251 RANGE TEL COOP INC 650      
406-477 7 Lame Deer MT LMDRMTXCRS1  2251 RANGE TEL COOP INC 650      
406-477 8 Lame Deer MT LMDRMTXCRS1  2251 RANGE TEL COOP INC 650      
406-478 A Sidney MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-478 0 Sidney MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-478 1 Sidney MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2010-01-20   
406-478 2 Sidney MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2013-10-14   
406-478 3 Sidney MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2011-01-07   
406-478 4 Sidney MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2011-07-08   
406-478 5 Sidney MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2011-08-11   
406-478 6 Sidney MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2011-08-11   
406-478 7 Sidney MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2014-11-02   
406-478 8 Sidney MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2015-06-05   
406-478 9 Sidney MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2010-11-06   
406-479 A Butte MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-479 0 Butte MT HLNAMTMAWMD  6529 T-MOBILE USA, INC. 648   2022-01-02   
406-479 1 Butte MT HLNAMTMAWMD  6529 T-MOBILE USA, INC. 648   2022-12-12   
406-479 2 Butte MT GRFLMTMAKMD  624H ONVOY SPECTRUM, LLC 648   2023-11-27   
406-479 3 Butte MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2012-05-04   
406-479 4 Butte MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2013-03-12   
406-479 5 Butte MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-07   
406-479 6 Butte MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-07   
406-479 7 Butte MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-07   
406-479 8 Butte MT MSSLMTXC3MD  939H COMMIO, LLC 648   2023-08-17   
406-479 9 Butte MT HLNAMTMAWMD  6529 T-MOBILE USA, INC. 648   2022-08-08   
406-480 A Sidney MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-480 0 Sidney MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-480 1 Sidney MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-480 2 Sidney MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-480 3 Sidney MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-480 4 Sidney MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-480 5 Sidney MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-480 6 Sidney MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2009-02-13   
406-480 7 Sidney MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2012-06-04   
406-480 8 Sidney MT BLNGMT937MD  197D VONAGE AMERICA LLC 650   2022-07-18   
406-480 9 Sidney MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-481 A Missoula MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-481 0 Missoula MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2023-08-05   
406-481 1 Missoula MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2023-09-03   
406-481 2 Missoula MT GRFLMTMA69Z  490J DISH WIRELESS, LLC 648   2023-08-21   
406-481 3 Missoula MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2024-06-19   
406-481 4 Missoula MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2023-09-28   
406-481 5 Missoula MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2023-12-09   
406-481 6 Missoula MT MSSLMTMACMD  6529 T-MOBILE USA, INC. 648   2024-02-02   
406-481 7 Missoula MT MSSLMTMACMD  6529 T-MOBILE USA, INC. 648   2024-02-02   
406-481 8 Missoula MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2023-09-28   
406-481 9 Missoula MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2023-09-28   
406-482 A Sidney MT SDNYMTMARS1  9636 QWEST CORPORATION 650      
406-482 0 Sidney MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2025-01-19   
406-482 1 Sidney MT SDNYMTMARS1  9636 QWEST CORPORATION 650      
406-482 2 Sidney MT SDNYMTMARS1  9636 QWEST CORPORATION 650      
406-482 3 Sidney MT SDNYMTMARS1  9636 QWEST CORPORATION 650      
406-482 4 Sidney MT SDNYMTMARS1  9636 QWEST CORPORATION 650      
406-482 5 Sidney MT   145J TERRA NOVA TELECOM INC. 650   2020-11-19   
406-482 6 Sidney MT SDNYMTMARS1  9636 QWEST CORPORATION 650      
406-482 7 Sidney MT   145J TERRA NOVA TELECOM INC. 650   2022-11-03   
406-482 8 Sidney MT SDNYMTMARS1  9636 QWEST CORPORATION 650      
406-482 9 Sidney MT SDNYMTMARS1  9636 QWEST CORPORATION 650      
406-483 A Dagmar MT DGMRMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-484 A Crooked Creek MT BASNWYXCDS1  2296 TRI-COUNTY TEL. ASSN., INC. 654      
406-484 0 Crooked Creek MT BASNWYXCDS1  2296 TRI-COUNTY TEL. ASSN., INC. 654      
406-484 2 Crooked Creek MT BASNWYXCDS1  2296 TRI-COUNTY TEL. ASSN., INC. 654      
406-484 6 Crooked Creek MT BASNWYXCDS1  2296 TRI-COUNTY TEL. ASSN., INC. 654      
406-484 9 Crooked Creek MT BASNWYXCDS1  2296 TRI-COUNTY TEL. ASSN., INC. 654      

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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