Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 406 [Rate centres in NPA 406] [Dial plan for NPA 406]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-608 0 Billings MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650      
406-608 1 Billings MT BLNGMTASKMD  515J IP HORIZON LLC 650      
406-608 2 Billings MT BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650      
406-608 3 Billings MT BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650      
406-608 4 Billings MT BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650      
406-608 5 Billings MT BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650      
406-608 6 Billings MT BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650      
406-608 7 Billings MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650      
406-608 8 Billings MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650      
406-608 9 Billings MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650      
406-609 A Kalispell MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-609 0 Kalispell MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-609 1 Kalispell MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-609 2 Kalispell MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-609 3 Kalispell MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-609 4 Kalispell MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-609 5 Kalispell MT MSSLMTMACMD  6529 T-MOBILE USA, INC. 648      
406-609 6 Kalispell MT MSSLMTMACMD  6529 T-MOBILE USA, INC. 648      
406-609 7 Kalispell MT MSSLMTMACMD  6529 T-MOBILE USA, INC. 648      
406-609 8 Kalispell MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-609 9 Kalispell MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-612 A Swan Lake MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-612 1 Swan Lake MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-612 2 Swan Lake MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-612 3 Swan Lake MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-612 4 Swan Lake MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-612 5 Swan Lake MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-612 6 Swan Lake MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-612 7 Swan Lake MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-612 8 Swan Lake MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-612 9 Swan Lake MT GRFLMTMAHMD  073H TELNYX LLC 648      
406-613 A Bozeman MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650      
406-613 0 Bozeman MT BLNGMT934MD  939H COMMIO, LLC 650      
406-613 1 Bozeman MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650      
406-613 2 Bozeman MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650      
406-613 3 Bozeman MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650      
406-613 4 Bozeman MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650      
406-613 5 Bozeman MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650      
406-613 6 Bozeman MT BLNGMT93EMD  490J DISH WIRELESS, LLC 650      
406-613 7 Bozeman MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-613 8 Bozeman MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-613 9 Bozeman MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-614 A Bigfork MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-614 0 Bigfork MT GRFLMTMAHMD  073H TELNYX LLC 648      
406-614 1 Bigfork MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-614 2 Bigfork MT PLSNMTPC1MD  986F WESTERN MONTANA COMMUNITYTEL INC. - MT 648      
406-614 3 Bigfork MT MSSLMTMAYMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 648      
406-614 4 Bigfork MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-614 5 Bigfork MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-614 6 Bigfork MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-614 7 Bigfork MT GRFLMTMAKMD  624H ONVOY SPECTRUM, LLC 648      
406-614 8 Bigfork MT GRFLMTMAKMD  624H ONVOY SPECTRUM, LLC 648      
406-614 9 Bigfork MT GRFLMTMAKMD  624H ONVOY SPECTRUM, LLC 648      
406-615 A Thompson Falls MT CHRLMT010MD  986F WESTERN MONTANA COMMUNITYTEL INC. - MT 648      
406-615 2 Thompson Falls MT CHRLMT010MD  986F WESTERN MONTANA COMMUNITYTEL INC. - MT 648      
406-616 A Three Forks MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-616 0 Three Forks MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-616 1 Three Forks MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-616 2 Three Forks MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-616 3 Three Forks MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-616 4 Three Forks MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-616 5 Three Forks MT BLNGMTWEBMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 650      
406-616 6 Three Forks MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650      
406-616 7 Three Forks MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-616 8 Three Forks MT BLNGMT933MD  073H TELNYX LLC 650      
406-616 9 Three Forks MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-620 A Billings MT GLSGMTXC1MD  443B SAGEBRUSH CELLULAR, INC. 650      
406-621 A Fort Benton MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-621 0 Fort Benton MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-621 1 Fort Benton MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-622 A Fort Benton MT FTBNMTXCDS0  3310 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-622 0 Fort Benton MT FTBNMTXCDS0  3310 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-622 2 Fort Benton MT FTBNMTXCDS0  3310 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-622 3 Fort Benton MT FTBNMTXCDS0  3310 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-622 4 Fort Benton MT FTBNMTXCDS0  3310 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-622 5 Fort Benton MT FTBNMTXCDS0  3310 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-622 6 Fort Benton MT FTBNMTXCDS0  3310 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-622 8 Fort Benton MT   9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-622 9 Fort Benton MT   792K CHARTER IP ENABLED SERVICES, LLC 648      
406-623 A Hardin MT BLNGMTVR0MD  939H COMMIO, LLC 650      
406-623 0 Hardin MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-623 1 Hardin MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-623 2 Hardin MT BLNGMTMATMD  935G TRI TEL, INC. - MT 650      
406-623 3 Hardin MT BLNGMT933MD  073H TELNYX LLC 650      
406-623 4 Hardin MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-623 5 Hardin MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-623 6 Hardin MT BLNGMTVR0MD  939H COMMIO, LLC 650      
406-623 7 Hardin MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-623 8 Hardin MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-623 9 Hardin MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-624 A Bozeman MT BZMNMTHZDS0  746D MONTANA OPTICOM, LLC - MT 650      
406-624 0 Bozeman MT BZMNMTHZDS0  746D MONTANA OPTICOM, LLC - MT 650      
406-624 1 Bozeman MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-624 2 Bozeman MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-624 3 Bozeman MT BLNGMTWEAMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-624 4 Bozeman MT BLNGMTWEAMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-624 5 Bozeman MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-624 6 Bozeman MT   792K CHARTER IP ENABLED SERVICES, LLC 650      
406-624 7 Bozeman MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-624 8 Bozeman MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.