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
406-777 A Stevensville MT STVLMTMARS1  9636 QWEST CORPORATION 648      
406-777 0 Stevensville MT STVLMTMARS1  9636 QWEST CORPORATION 648      
406-777 1 Stevensville MT STVLMTMARS1  9636 QWEST CORPORATION 648      
406-777 2 Stevensville MT STVLMTMARS1  9636 QWEST CORPORATION 648      
406-777 3 Stevensville MT STVLMTMARS1  9636 QWEST CORPORATION 648      
406-777 4 Stevensville MT STVLMTMARS1  9636 QWEST CORPORATION 648      
406-777 5 Stevensville MT STVLMTMARS1  9636 QWEST CORPORATION 648      
406-777 6 Stevensville MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-07   
406-777 7 Stevensville MT STVLMTMARS1  9636 QWEST CORPORATION 648      
406-777 8 Stevensville MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-07   
406-777 9 Stevensville MT STVLMTMARS1  9636 QWEST CORPORATION 648      
406-778 A Baker MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-778 1 Baker MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2018-12-17   
406-778 2 Baker MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-778 3 Baker MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-778 4 Baker MT   145J TERRA NOVA TELECOM INC. 650   2025-06-07   
406-778 5 Baker MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-778 6 Baker MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-778 7 Baker MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-778 8 Baker MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-778 9 Baker MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-779 A Flaxville Rural MT SFVLMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-779 3 Flaxville Rural MT SFVLMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-779 7 Flaxville Rural MT GLSGMTXC1MD  443B SAGEBRUSH CELLULAR, INC. 650      
406-779 9 Flaxville Rural MT   145J TERRA NOVA TELECOM INC. 650   2025-08-29   
406-780 A Columbus MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-780 0 Columbus MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-780 1 Columbus MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-780 2 Columbus MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2017-10-21   
406-780 3 Columbus MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2019-09-15   
406-780 4 Columbus MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2019-09-15   
406-780 5 Columbus MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-01-05   
406-780 6 Columbus MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650   2016-08-10   
406-780 7 Columbus MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2011-10-21   
406-780 8 Columbus MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2019-10-28   
406-780 9 Columbus MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-01-05   
406-781 A Great Falls MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-782 A Butte MT BUTTMT09DS0  9636 QWEST CORPORATION 648      
406-783 A Scobey Rural MT WSCBMTXCDS0  2247 NEMONT TEL COOP INC 650      
406-783 2 Scobey Rural MT WSCBMTXCDS0  2247 NEMONT TEL COOP INC 650      
406-783 5 Scobey Rural MT WSCBMTXCDS0  2247 NEMONT TEL COOP INC 650      
406-783 7 Scobey Rural MT GLSGMTXC1MD  443B SAGEBRUSH CELLULAR, INC. 650      
406-783 8 Scobey Rural MT GLSGMTXC1MD  443B SAGEBRUSH CELLULAR, INC. 650      
406-783 9 Scobey Rural MT WSCBMTXCDS0  2247 NEMONT TEL COOP INC 650      
406-784 A Ashland MT ASLDMTXCRS1  2251 RANGE TEL COOP INC 650      
406-784 2 Ashland MT ASLDMTXCRS1  2251 RANGE TEL COOP INC 650      
406-784 4 Ashland MT ASLDMTXCRS1  2251 RANGE TEL COOP INC 650      
406-784 6 Ashland MT ASLDMTXCRS1  2251 RANGE TEL COOP INC 650      
406-784 9 Ashland MT ASLDMTXCRS1  2251 RANGE TEL COOP INC 650      
406-785 A North Nashua MT NNSHMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-785 2 North Nashua MT NNSHMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-785 4 North Nashua MT   145J TERRA NOVA TELECOM INC. 650   2025-08-29   
406-785 7 North Nashua MT GLSGMTXC1MD  443B SAGEBRUSH CELLULAR, INC. 650      
406-786 A Brockton MT BRTNMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-786 3 Brockton MT BRTNMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-786 7 Brockton MT GLSGMTXC1MD  443B SAGEBRUSH CELLULAR, INC. 650      
406-787 A Culbertson MT CLSNMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-787 5 Culbertson MT CLSNMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-787 6 Culbertson MT CLSNMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-787 7 Culbertson MT GLSGMTXC1MD  443B SAGEBRUSH CELLULAR, INC. 650      
406-787 8 Culbertson MT   145J TERRA NOVA TELECOM INC. 650   2025-06-07   
406-788 A Great Falls MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-789 A Medicine Lake MT MDLKMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-789 2 Medicine Lake MT MDLKMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-789 7 Medicine Lake MT GLSGMTXC1MD  443B SAGEBRUSH CELLULAR, INC. 650      
406-789 8 Medicine Lake MT GLNDMTAJRS0  7830 MID-RIVERS TELEPHONE COOPERATIVE, INC. 650   2019-12-16   
406-790 A Culbertson MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-790 0 Culbertson MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-790 4 Culbertson MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2023-07-31   
406-790 5 Culbertson MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2022-12-21   
406-790 9 Culbertson MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2020-07-26   
406-791 A Great Falls MT GRFLMTMADS0  9636 QWEST CORPORATION 648      
406-792 A Butte MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-792 0 Butte MT MSSLMTMAYMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 648   2019-05-27   
406-792 1 Butte MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-792 2 Butte MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-06-20   
406-792 3 Butte MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2020-10-05   
406-792 4 Butte MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2020-10-05   
406-792 5 Butte MT HLNAMTMAWMD  6529 T-MOBILE USA, INC. 648   2017-05-25   
406-792 6 Butte MT HLNAMTMAWMD  6529 T-MOBILE USA, INC. 648   2017-05-25   
406-792 7 Butte MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2014-04-14   
406-792 8 Butte MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2014-04-14   
406-792 9 Butte MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2020-10-05   
406-793 A Ovando MT CLTNMTXCRS1  2235 BLACKFOOT TEL. COOP., INC. 648      
406-794 A Billings MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-794 0 Billings MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2006-05-08   
406-794 1 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2007-06-12   
406-794 2 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2007-06-26   
406-794 3 Billings MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2011-01-06   
406-794 4 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2007-08-20   
406-794 5 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2007-08-31   
406-794 6 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2007-09-07   
406-794 7 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2007-12-18   
406-794 8 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2007-12-28   
406-794 9 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2008-01-11   
406-795 A Wibaux MT WIBXMTMARS1  9636 QWEST CORPORATION 650      
406-795 0 Wibaux MT BLNGMT933MD  073H TELNYX LLC 650   2018-07-25   
406-795 1 Wibaux MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650   2006-11-28   
406-795 2 Wibaux MT WIBXMTMARS1  9636 QWEST CORPORATION 650      
406-795 3 Wibaux MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2012-01-15   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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