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
406-928 9 Grass Range MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-929 A Hungry Horse MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-929 1 Hungry Horse MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-929 2 Hungry Horse MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-929 3 Hungry Horse MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-929 4 Hungry Horse MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-929 5 Hungry Horse MT   6529 T-MOBILE USA, INC. 648      
406-929 6 Hungry Horse MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-929 7 Hungry Horse MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-929 8 Hungry Horse MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-929 9 Hungry Horse MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-930 A Big Timber MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-930 0 Big Timber MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-930 1 Big Timber MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-930 2 Big Timber MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-930 3 Big Timber MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-930 9 Big Timber MT   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-931 A Big Timber MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-931 0 Big Timber MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-931 1 Big Timber MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-932 A Big Timber MT BGTMMTXCDS0  2257 TRIANGLE TEL. COOP. ASSN., INC. 650      
406-932 0 Big Timber MT BGTMMTXCDS0  2257 TRIANGLE TEL. COOP. ASSN., INC. 650      
406-932 2 Big Timber MT BGTMMTXCDS0  2257 TRIANGLE TEL. COOP. ASSN., INC. 650      
406-932 3 Big Timber MT BGTMMTXCDS0  2257 TRIANGLE TEL. COOP. ASSN., INC. 650      
406-932 4 Big Timber MT BGTMMTXCDS0  2257 TRIANGLE TEL. COOP. ASSN., INC. 650      
406-932 5 Big Timber MT BGTMMTXCDS0  2257 TRIANGLE TEL. COOP. ASSN., INC. 650      
406-932 6 Big Timber MT BGTMMTXCDS0  2257 TRIANGLE TEL. COOP. ASSN., INC. 650      
406-932 7 Big Timber MT   792K CHARTER IP ENABLED SERVICES, LLC 650      
406-932 8 Big Timber MT BGTMMTXCDS0  2257 TRIANGLE TEL. COOP. ASSN., INC. 650      
406-933 A Helena MT CLNCMTMARS1  9636 QWEST CORPORATION 648      
406-933 5 Helena MT CLNCMTMARS1  9636 QWEST CORPORATION 648      
406-933 8 Helena MT CLNCMTMARS1  9636 QWEST CORPORATION 648      
406-933 9 Helena MT CLNCMTMARS1  9636 QWEST CORPORATION 648      
406-934 A Miles City MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-934 0 Miles City MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-934 9 Miles City MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-935 A Broadus MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-935 0 Broadus MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-935 3 Broadus MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-935 9 Broadus MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-936 A Clyde Park MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-936 0 Clyde Park MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-936 1 Clyde Park MT BLNGMT933MD  073H TELNYX LLC 650      
406-936 2 Clyde Park MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-936 3 Clyde Park MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-936 4 Clyde Park MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-936 5 Clyde Park MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-936 6 Clyde Park MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-936 7 Clyde Park MT   6529 T-MOBILE USA, INC. 650      
406-936 8 Clyde Park MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-936 9 Clyde Park MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-937 A Sunburst MT SNBRMTXCDS0  2248 NORTHERN TEL. COOP., INC. 648      
406-938 A Alzada MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-938 0 Alzada MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-938 3 Alzada MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-938 4 Alzada MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-938 7 Alzada MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-938 8 Alzada MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-938 9 Alzada MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-939 A West Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-939 0 West Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-939 1 West Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-939 2 West Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-939 3 West Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-939 4 West Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-939 5 West Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-939 8 West Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-940 A Molt MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-940 5 Molt MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-941 A West Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-941 0 West Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-941 1 West Glendive MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-941 2 West Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-941 3 West Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-942 A Glasgow MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-942 0 Glasgow MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-942 1 Glasgow MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-942 2 Glasgow MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-943 A Sidney MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-943 0 Sidney MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-943 1 Sidney MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-943 2 Sidney MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-943 3 Sidney MT BLNGMTWEAMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-943 4 Sidney MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-943 5 Sidney MT BLNGMTWEBMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 650      
406-943 6 Sidney MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-943 7 Sidney MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650      
406-943 8 Sidney MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-943 9 Sidney MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-944 A Miles City MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-944 0 Miles City MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-944 1 Miles City MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-944 2 Miles City MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-944 3 Miles City MT BLNGMTWEAMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-944 4 Miles City MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-944 5 Miles City MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-944 6 Miles City MT BLNGMTWEBMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 650      
406-944 7 Miles City MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-944 8 Miles City MT BLNGMT93DS0  588H AIRUS, INC. - MT 650      
406-944 9 Miles City MT BLNGMT93DS0  588H AIRUS, INC. - MT 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: LES.NET

Like this site? We accept donations via PayPal.