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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
406-557 6 Jordan MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-557 7 Jordan MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2018-12-17   
406-557 9 Jordan MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-558 A Helena MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-558 0 Helena MT GRFLMTMAHMD  073H TELNYX LLC 648   2024-10-27   
406-558 2 Helena MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2014-10-24   
406-558 3 Helena MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2021-10-02   
406-558 4 Helena MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-558 5 Helena MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2024-05-05   
406-558 6 Helena MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2024-05-05   
406-558 7 Helena MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2024-05-05   
406-558 9 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2004-09-27   
406-559 A Anaconda MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-559 0 Anaconda MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-559 2 Anaconda MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2011-01-16   
406-559 3 Anaconda MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-17   
406-559 4 Anaconda MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-09-15   
406-559 6 Anaconda MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648   2010-11-05   
406-559 7 Anaconda MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2016-06-18   
406-559 8 Anaconda MT GRFLMTMAHMD  073H TELNYX LLC 648   2020-08-07   
406-559 9 Anaconda MT GRFLMTMAKMD  624H ONVOY SPECTRUM, LLC 648   2021-10-30   
406-560 A Anaconda MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-560 0 Anaconda MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-560 1 Anaconda MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-560 2 Anaconda MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-560 3 Anaconda MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-560 4 Anaconda MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-560 5 Anaconda MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-560 6 Anaconda MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-560 7 Anaconda MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-560 8 Anaconda MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-561 A Billings MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650      
406-561 0 Billings MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2020-02-02   
406-561 1 Billings MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2020-02-02   
406-561 2 Billings MT BLNGMTMAXMD  5562 METROPCS, INC. 650   2018-08-04   
406-561 3 Billings MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2019-04-28   
406-561 4 Billings MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2019-04-28   
406-561 5 Billings MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2018-11-25   
406-561 6 Billings MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2018-05-10   
406-561 7 Billings MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2018-05-10   
406-561 8 Billings MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2018-03-22   
406-561 9 Billings MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2017-11-01   
406-562 A Augusta MT FRFDMTXCDS1  2255 3 RIVERS TEL. COOP., INC. 648      
406-563 A Anaconda MT ANCNMTMARS1  9636 QWEST CORPORATION 648      
406-563 0 Anaconda MT HLNAMTHH5MD  792K CHARTER IP ENABLED SERVICES, LLC 648   2006-04-09   
406-563 2 Anaconda MT ANCNMTMARS1  9636 QWEST CORPORATION 648      
406-563 3 Anaconda MT ANCNMTMARS1  9636 QWEST CORPORATION 648      
406-563 4 Anaconda MT ANCNMTMARS1  9636 QWEST CORPORATION 648      
406-563 5 Anaconda MT ANCNMTMARS1  9636 QWEST CORPORATION 648      
406-563 6 Anaconda MT ANCNMTMARS1  9636 QWEST CORPORATION 648      
406-563 7 Anaconda MT ANCNMTMARS1  9636 QWEST CORPORATION 648      
406-563 8 Anaconda MT ANCNMTMARS1  9636 QWEST CORPORATION 648      
406-563 9 Anaconda MT ANCNMTMARS1  9636 QWEST CORPORATION 648      
406-564 A Great Falls MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-564 0 Great Falls MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2010-09-23   
406-564 1 Great Falls MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2005-06-03   
406-564 2 Great Falls MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2010-10-22   
406-564 3 Great Falls MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2011-02-06   
406-564 4 Great Falls MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-564 5 Great Falls MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2011-03-07   
406-564 6 Great Falls MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648   2010-11-06   
406-564 7 Great Falls MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2011-04-04   
406-564 8 Great Falls MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2011-06-03   
406-564 9 Great Falls MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2011-07-05   
406-565 A Butte MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-565 0 Butte MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2008-09-15   
406-565 1 Butte MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-02-23   
406-565 2 Butte MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-09-14   
406-565 3 Butte MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2010-02-09   
406-565 4 Butte MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-565 5 Butte MT HLNAMTHH5MD  792K CHARTER IP ENABLED SERVICES, LLC 648   2005-05-13   
406-565 6 Butte MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2010-07-14   
406-565 7 Butte MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2011-02-05   
406-565 8 Butte MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2011-05-05   
406-565 9 Butte MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2004-09-27   
406-566 A Stanford MT FTBNMTXCDS0  3310 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-567 A Denton MT FTBNMTXCDS0  3310 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-568 A Ryegate MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-569 A West Homesteaders Gap MT KEENNDXADS0  1632 RESERVATION TEL. COOP. 638      
406-570 A Bozeman MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-571 A Finley Point MT KLSLMTAZ1MD  792K CHARTER IP ENABLED SERVICES, LLC 648      
406-571 1 Finley Point MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-17   
406-571 2 Finley Point MT KLSLMTAZ1MD  792K CHARTER IP ENABLED SERVICES, LLC 648   2006-04-21   
406-571 3 Finley Point MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2016-02-26   
406-571 4 Finley Point MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2016-02-26   
406-571 5 Finley Point MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-07-05   
406-571 6 Finley Point MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2020-11-08   
406-571 7 Finley Point MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2007-04-14   
406-571 8 Finley Point MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2011-07-11   
406-571 9 Finley Point MT GRFLMTMAHMD  073H TELNYX LLC 648   2020-08-09   
406-572 A Martinsdale MT WSSPMTXCDS0  3310 TRIANGLE TEL. COOP. ASSN., INC. 650      
406-573 A Browning MT BRNGMTAQDS0  619J SIYEH COMMUNICATIONS 648      
406-573 0 Browning MT BRNGMTAQDS0  619J SIYEH COMMUNICATIONS 648   2021-02-08   
406-573 1 Browning MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2015-06-30   
406-573 6 Browning MT GRFLMTMAKMD  624H ONVOY SPECTRUM, LLC 648   2021-11-14   
406-573 8 Browning MT GRFLMTMAKMD  624H ONVOY SPECTRUM, LLC 648   2021-07-18   
406-574 A Silvertip MT POWLWYMARS1  9636 QWEST CORPORATION 654      
406-574 0 Silvertip MT CHYNWYRF1MD  073H TELNYX LLC 654   2018-07-25   
406-574 1 Silvertip MT POWLWYMARS1  9636 QWEST CORPORATION 654      
406-574 2 Silvertip MT CHYNWYMAX2X  453F ONVOY, LLC - MT 654   2021-07-05   

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

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