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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
406-677 0 Seeley Lake MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2024-05-17   
406-677 1 Seeley Lake MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2024-10-15   
406-677 2 Seeley Lake MT CLTNMTXCRS1  2235 BLACKFOOT TEL. COOP., INC. 648      
406-677 3 Seeley Lake MT CLTNMTXCRS1  2235 BLACKFOOT TEL. COOP., INC. 648      
406-677 7 Seeley Lake MT   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2025-07-23   
406-677 8 Seeley Lake MT   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2025-02-13   
406-677 9 Seeley Lake MT CLTNMTXCRS1  2235 BLACKFOOT TEL. COOP., INC. 648      
406-678 A Haugan MT HAGNMTXCRS1  2235 BLACKFOOT TEL. COOP., INC. 648      
406-679 A Hardin MT BLNGMTVR5MD  732J NUSO, LLC 650      
406-679 0 Hardin MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-679 1 Hardin MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-679 2 Hardin MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-679 3 Hardin MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-679 4 Hardin MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2014-09-05   
406-679 5 Hardin MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-679 6 Hardin MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-679 7 Hardin MT BLNGMTVR5MD  732J NUSO, LLC 650   2023-07-13   
406-680 A Malta MT MALTMTXC1MD  443B SAGEBRUSH CELLULAR, INC. 648      
406-680 0 Malta MT HLNAMTHH5MD  792K CHARTER IP ENABLED SERVICES, LLC 648   2021-04-23   
406-680 2 Malta MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2023-01-06   
406-680 7 Malta MT MALTMTXC1MD  443B SAGEBRUSH CELLULAR, INC. 648      
406-680 9 Malta MT MALTMTXC1MD  443B SAGEBRUSH CELLULAR, INC. 648      
406-681 A Grant MT WSDMMTXCDS0  2254 SOUTHERN MONTANA TEL. CO. 648      
406-682 A Ennis MT FRFDMTXCDS1  2255 3 RIVERS TEL. COOP., INC. 648      
406-682 0 Ennis MT FRFDMTXCDS1  2255 3 RIVERS TEL. COOP., INC. 648   2023-12-16   
406-682 1 Ennis MT FRFDMTXCDS1  2255 3 RIVERS TEL. COOP., INC. 648      
406-682 2 Ennis MT FRFDMTXCDS1  2255 3 RIVERS TEL. COOP., INC. 648      
406-682 3 Ennis MT FRFDMTXCDS1  2255 3 RIVERS TEL. COOP., INC. 648      
406-682 4 Ennis MT FRFDMTXCDS1  2255 3 RIVERS TEL. COOP., INC. 648      
406-682 5 Ennis MT FRFDMTXCDS1  2255 3 RIVERS TEL. COOP., INC. 648      
406-682 6 Ennis MT FRFDMTXCDS1  2255 3 RIVERS TEL. COOP., INC. 648      
406-682 7 Ennis MT FRFDMTXCDS1  2255 3 RIVERS TEL. COOP., INC. 648      
406-682 8 Ennis MT FRFDMTXCDS1  2255 3 RIVERS TEL. COOP., INC. 648      
406-682 9 Ennis MT FRFDMTXCDS1  2255 3 RIVERS TEL. COOP., INC. 648      
406-683 A Dillon MT DLLNMTMARS1  9636 QWEST CORPORATION 648      
406-684 A Twin Bridges MT FRFDMTXCDS1  2255 3 RIVERS TEL. COOP., INC. 648      
406-685 A Harrison MT FRFDMTXCDS1  2255 3 RIVERS TEL. COOP., INC. 648      
406-686 A Clyde Park MT CLPKMTMARS1  9636 QWEST CORPORATION 650      
406-686 0 Clyde Park MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650   2004-11-13   
406-686 1 Clyde Park MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2010-02-20   
406-686 2 Clyde Park MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2011-01-10   
406-686 3 Clyde Park MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2011-04-10   
406-686 4 Clyde Park MT CLPKMTMARS1  9636 QWEST CORPORATION 650      
406-686 5 Clyde Park MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2024-03-15   
406-686 6 Clyde Park MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2009-02-13   
406-686 7 Clyde Park MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2007-04-14   
406-686 8 Clyde Park MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2011-10-20   
406-686 9 Clyde Park MT CLPKMTMARS1  9636 QWEST CORPORATION 650      
406-687 A West Glendive MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-687 0 West Glendive MT   6010 NEW CINGULAR WIRELESS PCS, LLC 650   2025-02-03   
406-687 1 West Glendive MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-687 3 West Glendive MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-687 7 West Glendive MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-687 8 West Glendive MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-687 9 West Glendive MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-688 A Scobey MT   443B SAGEBRUSH CELLULAR, INC. 650      
406-688 8 Scobey MT   443B SAGEBRUSH CELLULAR, INC. 650   2014-04-01   
406-688 9 Scobey MT   443B SAGEBRUSH CELLULAR, INC. 650   2014-04-01   
406-689 A Wisdom MT WSDMMTXCDS0  2254 SOUTHERN MONTANA TEL. CO. 648      
406-690 A Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-691 A Anaconda MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-691 0 Anaconda MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-691 4 Anaconda MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2019-08-09   
406-691 7 Anaconda MT HLNAMTMAUMD  508J CENTURYLINK COMMUNICATIONS, LLC 648   2014-05-24   
406-691 8 Anaconda MT GRFLMTMAKMD  624H ONVOY SPECTRUM, LLC 648   2021-07-18   
406-691 9 Anaconda MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648   2015-08-10   
406-692 A Yellow Bay MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-692 0 Yellow Bay MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-02-11   
406-692 1 Yellow Bay MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-15   
406-692 2 Yellow Bay MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-15   
406-692 3 Yellow Bay MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-15   
406-692 4 Yellow Bay MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2020-11-08   
406-692 5 Yellow Bay MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-02-11   
406-692 6 Yellow Bay MT KLSLMTAZ1MD  792K CHARTER IP ENABLED SERVICES, LLC 648   2014-06-27   
406-692 7 Yellow Bay MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2007-12-06   
406-692 8 Yellow Bay MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2011-03-05   
406-692 9 Yellow Bay MT GRFLMTMAHMD  073H TELNYX LLC 648   2020-08-13   
406-693 A Warm Springs MT WRSPMTMARS1  9636 QWEST CORPORATION 648      
406-693 0 Warm Springs MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-07   
406-693 1 Warm Springs MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2007-03-19   
406-693 2 Warm Springs MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-693 3 Warm Springs MT GRFLMTMAHMD  073H TELNYX LLC 648   2020-08-13   
406-693 4 Warm Springs MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-09-15   
406-693 5 Warm Springs MT   624H ONVOY SPECTRUM, LLC 648   2025-02-03   
406-693 6 Warm Springs MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2020-11-08   
406-693 7 Warm Springs MT WRSPMTMARS1  9636 QWEST CORPORATION 648      
406-693 8 Warm Springs MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2011-10-24   
406-693 9 Warm Springs MT WRSPMTMARS1  9636 QWEST CORPORATION 648      
406-694 A Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-694 0 Billings MT BZMNMTHZDS0  746D MONTANA OPTICOM, LLC - MT 650   2010-08-16   
406-694 1 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2012-04-06   
406-694 2 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2011-02-25   
406-694 3 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2011-03-18   
406-694 4 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2011-04-04   
406-694 5 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2011-06-03   
406-694 6 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2011-07-05   
406-694 7 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2011-08-02   
406-694 8 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2011-07-08   
406-694 9 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2011-08-04   
406-695 A Frazer MT FRZRMTXCRS1  2247 NEMONT TEL COOP INC 650      

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Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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