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
406-719 5 Fromberg MT BLNGMTASMMD  506J TWILIO INTERNATIONAL, INC. 650      
406-719 6 Fromberg MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-719 7 Fromberg MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-719 8 Fromberg MT BLNGMT93BMD  321J HD CARRIER LLC 650      
406-719 9 Fromberg MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-720 A Colstrip MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-720 0 Colstrip MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-720 1 Colstrip MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-720 2 Colstrip MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-720 3 Colstrip MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-720 4 Colstrip MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-720 5 Colstrip MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-720 6 Colstrip MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-720 7 Colstrip MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-720 8 Colstrip MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-720 9 Colstrip MT BLNGMT933MD  073H TELNYX LLC 650      
406-721 A Missoula MT MSSLMTMADS0  9636 QWEST CORPORATION 648      
406-722 A Alberton MT ALTNMTXBRS1  2235 BLACKFOOT TEL. COOP., INC. 648      
406-723 A Butte MT BUTTMT09DS0  9636 QWEST CORPORATION 648      
406-724 A Glentana MT GLNTMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-724 3 Glentana MT GLNTMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-724 7 Glentana MT GLSGMTXC1MD  443B SAGEBRUSH CELLULAR, INC. 650      
406-725 A Larslan MT LRSLMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-726 A Arlee MT CLTNMTXCRS1  2235 BLACKFOOT TEL. COOP., INC. 648      
406-726 1 Arlee MT CHRLMT010MD  986F WESTERN MONTANA COMMUNITYTEL INC. - MT 648      
406-726 3 Arlee MT CLTNMTXCRS1  2235 BLACKFOOT TEL. COOP., INC. 648      
406-726 4 Arlee MT CLTNMTXCRS1  2235 BLACKFOOT TEL. COOP., INC. 648      
406-726 9 Arlee MT CLTNMTXCRS1  2235 BLACKFOOT TEL. COOP., INC. 648      
406-727 A Great Falls MT GRFLMTMADS0  9636 QWEST CORPORATION 648      
406-728 A Missoula MT MSSLMTMADS0  9636 QWEST CORPORATION 648      
406-729 A Wilsall MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650      
406-729 0 Wilsall MT BLNGMT933MD  073H TELNYX LLC 650      
406-729 1 Wilsall MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-729 2 Wilsall MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-729 3 Wilsall MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-729 4 Wilsall MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-729 5 Wilsall MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-729 6 Wilsall MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-729 7 Wilsall MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650      
406-729 8 Wilsall MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-729 9 Wilsall MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-730 A Whitefish MT   792K CHARTER IP ENABLED SERVICES, LLC 648      
406-730 0 Whitefish MT GRFLMTMAHMD  073H TELNYX LLC 648      
406-730 1 Whitefish MT   792K CHARTER IP ENABLED SERVICES, LLC 648      
406-730 2 Whitefish MT   792K CHARTER IP ENABLED SERVICES, LLC 648      
406-730 3 Whitefish MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-730 4 Whitefish MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-730 5 Whitefish MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-730 6 Whitefish MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-730 7 Whitefish MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-730 8 Whitefish MT   792K CHARTER IP ENABLED SERVICES, LLC 648      
406-730 9 Whitefish MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-731 A Great Falls MT GRFLMTMADS0  9636 QWEST CORPORATION 648      
406-731 1 Great Falls MT GRFLMTMADS0  9636 QWEST CORPORATION 648      
406-731 2 Great Falls MT GRFLMTMADS0  9636 QWEST CORPORATION 648      
406-731 3 Great Falls MT GRFLMTMADS0  9636 QWEST CORPORATION 648      
406-731 4 Great Falls MT GRFLMTMADS0  9636 QWEST CORPORATION 648      
406-731 5 Great Falls MT GRFLMTMADS0  9636 QWEST CORPORATION 648      
406-731 6 Great Falls MT GRFLMTMADS0  9636 QWEST CORPORATION 648      
406-731 7 Great Falls MT GRFLMTMADS0  9636 QWEST CORPORATION 648      
406-731 8 Great Falls MT GRFLMTMADS0  9636 QWEST CORPORATION 648      
406-732 A St Mary MT STMYMTMARS1  9636 QWEST CORPORATION 648      
406-732 0 St Mary MT GRFLMTMAHMD  073H TELNYX LLC 648      
406-732 1 St Mary MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-732 2 St Mary MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-732 3 St Mary MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-732 4 St Mary MT STMYMTMARS1  9636 QWEST CORPORATION 648      
406-732 5 St Mary MT STMYMTMARS1  9636 QWEST CORPORATION 648      
406-732 6 St Mary MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-732 7 St Mary MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-732 8 St Mary MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-732 9 St Mary MT STMYMTMARS1  9636 QWEST CORPORATION 648      
406-733 A Highwood MT FRFDMTXCDS1  2255 3 RIVERS TEL. COOP., INC. 648      
406-734 A Carter MT FRFDMTXCDS1  2255 3 RIVERS TEL. COOP., INC. 648      
406-735 A Geyser MT FRFDMTXCDS1  2255 3 RIVERS TEL. COOP., INC. 648      
406-736 A Stockett MT FRFDMTXCDS1  2255 3 RIVERS TEL. COOP., INC. 648      
406-736 0 Stockett MT   2255 3 RIVERS TEL. COOP., INC. 648      
406-736 1 Stockett MT   2255 3 RIVERS TEL. COOP., INC. 648      
406-736 2 Stockett MT   490J DISH WIRELESS, LLC 648      
406-736 4 Stockett MT   2255 3 RIVERS TEL. COOP., INC. 648      
406-736 5 Stockett MT   2255 3 RIVERS TEL. COOP., INC. 648      
406-736 6 Stockett MT   2255 3 RIVERS TEL. COOP., INC. 648      
406-736 7 Stockett MT   2255 3 RIVERS TEL. COOP., INC. 648      
406-736 8 Stockett MT   2255 3 RIVERS TEL. COOP., INC. 648      
406-736 9 Stockett MT   2255 3 RIVERS TEL. COOP., INC. 648      
406-737 A Geraldine MT FTBNMTXCDS0  3310 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-738 A Raynesford MT FRFDMTXCDS1  2255 3 RIVERS TEL. COOP., INC. 648      
406-739 A Loma MT HAVRMTXCDS0  2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-740 A Colstrip MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-740 0 Colstrip MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-740 1 Colstrip MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-740 2 Colstrip MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-740 3 Colstrip MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-740 4 Colstrip MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-740 5 Colstrip MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-740 6 Colstrip MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-740 7 Colstrip MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650      
406-740 8 Colstrip MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-740 9 Colstrip MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-741 A Hot Springs MT HTSPMTXCDS0  2241 HOT SPRINGS TEL. CO. 648      

<< 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.