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
406-434 9 Shelby MT SHLBMTMADS0  9636 QWEST CORPORATION 648      
406-435 A Billings MT BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-435 0 Billings MT BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-435 1 Billings MT BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-435 2 Billings MT BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-435 3 Billings MT BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-435 4 Billings MT BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-435 5 Billings MT BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-435 6 Billings MT BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-435 7 Billings MT BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-435 8 Billings MT BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-435 9 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2021-04-22   
406-436 A Broadus MT BRDSMTXBRS2  2251 RANGE TEL COOP INC 650      
406-436 0 Broadus MT BRDSMTXBRS2  2251 RANGE TEL COOP INC 650      
406-436 2 Broadus MT BRDSMTXBRS2  2251 RANGE TEL COOP INC 650      
406-436 5 Broadus MT BRDSMTXBRS2  2251 RANGE TEL COOP INC 650      
406-436 9 Broadus MT BRDSMTXBRS2  2251 RANGE TEL COOP INC 650      
406-437 A Helena MT HLNAMTMAMMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 648      
406-437 0 Helena MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2023-09-28   
406-437 1 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-04-09   
406-437 2 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-07-06   
406-437 3 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-09-14   
406-437 4 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2011-04-04   
406-437 5 Helena MT HLNAMTMADS0  9636 QWEST CORPORATION 648   2008-08-13   
406-437 6 Helena MT HLNAMTMADS0  9636 QWEST CORPORATION 648   2008-08-13   
406-437 7 Helena MT HLNAMTMADS0  9636 QWEST CORPORATION 648   2008-08-13   
406-437 8 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2011-07-08   
406-437 9 Helena MT HLNAMTMAMMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 648   2004-09-19   
406-438 A Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-438 0 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2022-12-10   
406-438 1 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-10-22   
406-438 2 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-10-22   
406-438 3 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-11-23   
406-438 4 Helena MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2023-04-01   
406-438 5 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2010-07-14   
406-438 6 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2010-10-11   
406-438 7 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2011-02-06   
406-438 8 Helena MT GRFLMTMAHMD  073H TELNYX LLC 648   2023-12-09   
406-438 9 Helena MT GRFLMTMAHMD  073H TELNYX LLC 648   2023-12-09   
406-439 A Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-439 0 Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-439 1 Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-439 2 Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-439 3 Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-439 4 Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-439 5 Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-439 6 Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-439 7 Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-439 8 Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-439 9 Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-440 A Helena MT HLNAMTHODS1  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-440 0 Helena MT HLNAMTHODS1  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-440 1 Helena MT HLNAMTHODS1  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-440 3 Helena MT HLNAMTHODS1  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-440 4 Helena MT HLNAMTHODS1  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-440 5 Helena MT HLNAMTMAWMD  6529 T-MOBILE USA, INC. 648   2024-02-22   
406-440 6 Helena MT HLNAMTMAWMD  6529 T-MOBILE USA, INC. 648   2024-02-22   
406-440 8 Helena MT HLNAMTHODS1  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-440 9 Helena MT HLNAMTHODS1  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-441 A Helena MT HLNAMTMADS0  9636 QWEST CORPORATION 648      
406-442 A Helena MT HLNAMTMADS0  9636 QWEST CORPORATION 648      
406-443 A Helena MT HLNAMTMADS0  9636 QWEST CORPORATION 648      
406-444 A Helena MT HLNAMTMADS0  9636 QWEST CORPORATION 648      
406-445 A Red Lodge MT RBRTMTMARS1  9636 QWEST CORPORATION 650      
406-445 0 Red Lodge MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650   2004-11-13   
406-445 1 Red Lodge MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650   2007-04-19   
406-445 2 Red Lodge MT RBRTMTMARS1  9636 QWEST CORPORATION 650      
406-445 3 Red Lodge MT BLNGMT93HMD  792K CHARTER IP ENABLED SERVICES, LLC 650   2011-03-27   
406-445 4 Red Lodge MT BLNGMTMATMD  935G TRI TEL, INC. - MT 650   2013-01-28   
406-445 5 Red Lodge MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-07-05   
406-445 6 Red Lodge MT BLNGMT933MD  073H TELNYX LLC 650   2017-03-31   
406-445 7 Red Lodge MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2007-03-19   
406-445 8 Red Lodge MT BLNGMTWEBMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 650   2023-04-08   
406-445 9 Red Lodge MT RBRTMTMARS1  9636 QWEST CORPORATION 650      
406-446 A Red Lodge MT RDLGMTMARS1  9636 QWEST CORPORATION 650      
406-446 0 Red Lodge MT RDLGMTMARS1  9636 QWEST CORPORATION 650      
406-446 1 Red Lodge MT RDLGMTMARS1  9636 QWEST CORPORATION 650      
406-446 2 Red Lodge MT RDLGMTMARS1  9636 QWEST CORPORATION 650      
406-446 3 Red Lodge MT RDLGMTMARS1  9636 QWEST CORPORATION 650      
406-446 4 Red Lodge MT RDLGMTMARS1  9636 QWEST CORPORATION 650      
406-446 6 Red Lodge MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2019-09-15   
406-446 7 Red Lodge MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2011-10-24   
406-446 8 Red Lodge MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2019-10-28   
406-446 9 Red Lodge MT RDLGMTMARS1  9636 QWEST CORPORATION 650      
406-447 A Helena MT HLNAMTMADS0  9636 QWEST CORPORATION 648      
406-447 1 Helena MT HLNAMTMADS0  9636 QWEST CORPORATION 648      
406-447 2 Helena MT HLNAMTMADS0  9636 QWEST CORPORATION 648      
406-447 3 Helena MT HLNAMTMADS0  9636 QWEST CORPORATION 648      
406-447 4 Helena MT HLNAMTMADS0  9636 QWEST CORPORATION 648      
406-447 5 Helena MT HLNAMTMADS0  9636 QWEST CORPORATION 648      
406-447 6 Helena MT HLNAMTMADS0  9636 QWEST CORPORATION 648      
406-447 7 Helena MT HLNAMTMADS0  9636 QWEST CORPORATION 648      
406-447 8 Helena MT HLNAMTMADS0  9636 QWEST CORPORATION 648      
406-447 9 Helena MT HLNAMTMADS0  9636 QWEST CORPORATION 648      
406-448 A North Poplar MT NPPLMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-448 2 North Poplar MT NPPLMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-448 7 North Poplar MT GLSGMTXC1MD  443B SAGEBRUSH CELLULAR, INC. 650      
406-449 A Helena MT HLNAMTMADS0  9636 QWEST CORPORATION 648      
406-450 A Shelby MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-450 0 Shelby MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      

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

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