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]

Block: A

<< 1 2 3 4 5 6 7 8 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-836 A Great Falls MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-837 A Bigfork MT BGFKMTXCRS0  2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK 648      
406-838 A Cooke City MT CKCYMTMARS1  9636 QWEST CORPORATION 650      
406-839 A Billings MT   792K CHARTER IP ENABLED SERVICES, LLC 650      
406-840 A Silvertip MT CHYNWYMAX2X  453F ONVOY, LLC - MT 654      
406-841 A Helena MT HLNAMTMADS0  9636 QWEST CORPORATION 648      
406-842 A Sheridan MT FRFDMTXCDS1  2255 3 RIVERS TEL. COOP., INC. 648      
406-843 A Virginia City MT FRFDMTXCDS1  2255 3 RIVERS TEL. COOP., INC. 648      
406-844 A Lakeside MT LKSDMTXCRS0  2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK 648      
406-845 A Cut Bank MT   792K CHARTER IP ENABLED SERVICES, LLC 648      
406-846 A Deer Lodge MT DRLDMTMARS1  9636 QWEST CORPORATION 648      
406-847 A Noxon MT NOXNMTXCRS1  2235 BLACKFOOT TEL. COOP., INC. 648      
406-848 A Gardiner MT GRNRMTMARS1  9636 QWEST CORPORATION 650      
406-849 A Elmo MT ELMOMTXCRS0  2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK 648      
406-850 A Billings MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-851 A Miles City MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-852 A Miles City MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-853 A Miles City MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-854 A Marion MT MARNMTXCRS0  2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK 648      
406-855 A Billings MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-856 A Custer MT CSTRMTXCRS1  2246 MID-RIVERS TEL. COOP., INC. 650      
406-857 A Somers MT SMRSMTXCRS0  2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK 648      
406-858 A Kalispell MT GRFLMTMA69Z  490J DISH WIRELESS, LLC 648      
406-859 A Philipsburg MT PHBGMTXCRS1  2235 BLACKFOOT TEL. COOP., INC. 648      
406-860 A Billings MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-861 A Billings MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-862 A Whitefish MT WHFSMTXCRS0  2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK 648      
406-863 A Whitefish MT WHFSMTXCRS0  2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK 648      
406-864 A South Alberton MT ALTNMTXCRS1  2235 BLACKFOOT TEL. COOP., INC. 648      
406-865 A Dillon MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-866 A Great Falls MT ULM MTMARS1  9636 QWEST CORPORATION 648      
406-867 A Billings MT BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-868 A Great Falls MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-869 A Billings MT BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-870 A Great Falls MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-871 A Kalispell MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-872 A Polson MT PLSNMTPC1MD  986F WESTERN MONTANA COMMUNITYTEL INC. - MT 648      
406-873 A Cut Bank MT CTBNMTMARS1  9636 QWEST CORPORATION 648      
406-874 A Miles City MT MLCYMTBVDS0  7830 MID-RIVERS TELEPHONE COOPERATIVE, INC. 650      
406-875 A Pompeys Pillar MT WRDNMTXCDS0  2250 PROJECT TEL. CO., INC. 650      
406-876 A Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-877 A West Beach MT BECHNDXA0MD  1638 MIDSTATE COMMUNICATIONS, INC. 638      
406-878 A Great Falls MT MSSLMTXC7MD  732J NUSO, LLC 648      
406-879 A Havre MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-880 A Missoula MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-881 A Olney MT OLNYMTXCRS0  2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK 648      
406-882 A Eureka Rural MT ERKRMTXCDS1  2242 INTERBEL TEL. COOP., INC. 648      
406-883 A Polson MT PLSNMTXCRS0  2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK 648      
406-884 A Polson MT PLSNMTXCRS0  2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK 648      
406-885 A Kalispell MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-886 A Swan Lake MT SWLKMTXCRS0  2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK 648      
406-887 A Finley Point MT FNPTMTXCRS0  2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK 648      
406-888 A West Glacier MT WGLCMTMARS1  9636 QWEST CORPORATION 648      
406-889 A Eureka Rural MT ERKRMTXCDS1  2242 INTERBEL TEL. COOP., INC. 648      
406-890 A Kalispell MT   792K CHARTER IP ENABLED SERVICES, LLC 648      
406-891 A Baker MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-892 A Columbia Falls MT CLFLMTXCRS0  2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK 648      
406-893 A Peerless MT PRLSMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-894 A Billings MT BLNGMT934MD  939H COMMIO, LLC 650      
406-895 A Outlook MT OTLKMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-896 A Billings MT BLNGMTMADS1  9636 QWEST CORPORATION 650      
406-897 A Columbia Falls MT   792K CHARTER IP ENABLED SERVICES, LLC 648      
406-898 A Bozeman MT   792K CHARTER IP ENABLED SERVICES, LLC 650      
406-899 A Great Falls MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-900 A Ennis MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-901 A Billings MT BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650      
406-902 A Sheridan MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-905 A Joliet MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-909 A Columbia Falls MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-913 A Roundup MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-914 A Lambert MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-915 A South Wolf Point MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-916 A Helena MT HLNAMTMAWMD  6529 T-MOBILE USA, INC. 648      
406-919 A Belgrade MT BLNGMT939MD  145J TERRA NOVA TELECOM INC. 650      
406-920 A Bozeman MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-922 A Bozeman MT BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-923 A Great Falls MT MSSLMTXC3MD  939H COMMIO, LLC 648      
406-924 A Belgrade MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-925 A Dillon MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-926 A Missoula MT   792K CHARTER IP ENABLED SERVICES, LLC 648      
406-927 A Billings MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-928 A Grass Range MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-929 A Hungry Horse MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-930 A Big Timber MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-931 A Big Timber MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-932 A Big Timber MT BGTMMTXCDS0  2257 TRIANGLE TEL. COOP. ASSN., INC. 650      
406-933 A Helena MT CLNCMTMARS1  9636 QWEST CORPORATION 648      
406-934 A 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      
406-936 A 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      
406-939 A 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      
406-941 A 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      
406-943 A Sidney MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-944 A Miles City MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-945 A Havre MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-946 A Livingston MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      

<< 1 2 3 4 5 6 7 8 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.