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
406-945 A Havre MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-945 0 Havre MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-945 1 Havre MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-945 2 Havre MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-945 3 Havre MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-945 4 Havre MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-945 5 Havre MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-945 7 Havre MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-945 9 Havre MT   792K CHARTER IP ENABLED SERVICES, LLC 648      
406-946 A Livingston MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-946 0 Livingston MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-946 1 Livingston MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-946 2 Livingston MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-946 3 Livingston MT BLNGMTWEAMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-946 4 Livingston MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-946 5 Livingston MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-946 7 Livingston MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650      
406-946 8 Livingston MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-946 9 Livingston MT BLNGMT933MD  073H TELNYX LLC 650      
406-947 A Musselshell MT MSLSMTXCRS1  2246 MID-RIVERS TEL. COOP., INC. 650      
406-948 A Glendive MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-948 0 Glendive MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-948 1 Glendive MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-948 2 Glendive MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-948 3 Glendive MT BLNGMTWEAMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-948 4 Glendive MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-948 5 Glendive MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-948 6 Glendive MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-948 7 Glendive MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-948 8 Glendive MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-948 9 Glendive MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-949 A Townsend MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-949 0 Townsend MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-949 1 Townsend MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-949 2 Townsend MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-949 3 Townsend MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-951 A Miles City MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-951 0 Miles City MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-951 1 Miles City MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-951 2 Miles City MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-951 3 Miles City MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-951 4 Miles City MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-951 6 Miles City MT   145J TERRA NOVA TELECOM INC. 650      
406-951 9 Miles City MT   453F ONVOY, LLC - MT 650      
406-952 A Great Falls MT GRFLMTMAKMD  624H ONVOY SPECTRUM, LLC 648      
406-952 0 Great Falls MT   792K CHARTER IP ENABLED SERVICES, LLC 648      
406-952 1 Great Falls MT   792K CHARTER IP ENABLED SERVICES, LLC 648      
406-952 2 Great Falls MT GRFLMTMAKMD  624H ONVOY SPECTRUM, LLC 648      
406-952 3 Great Falls MT HLNAMTMAMMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 648      
406-952 4 Great Falls MT   792K CHARTER IP ENABLED SERVICES, LLC 648      
406-952 5 Great Falls MT GRFLMTMAKMD  624H ONVOY SPECTRUM, LLC 648      
406-952 6 Great Falls MT GRFLMTMAKMD  624H ONVOY SPECTRUM, LLC 648      
406-952 7 Great Falls MT GRFLMTMAKMD  624H ONVOY SPECTRUM, LLC 648      
406-952 8 Great Falls MT GRFLMTMAKMD  624H ONVOY SPECTRUM, LLC 648      
406-952 9 Great Falls MT GRFLMTMAKMD  624H ONVOY SPECTRUM, LLC 648      
406-953 A Hardin MT GLSGMTXC0MD  843H SAGEBRUSH CELLULAR, INC. 650      
406-953 0 Hardin MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-953 2 Hardin MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-953 3 Hardin MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-953 4 Hardin MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-953 5 Hardin MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-953 6 Hardin MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-953 8 Hardin MT GLSGMTXC0MD  843H SAGEBRUSH CELLULAR, INC. 650      
406-953 9 Hardin MT GLSGMTXC0MD  843H SAGEBRUSH CELLULAR, INC. 650      
406-954 A Roy MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-954 0 Roy MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-955 A Kalispell MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2024-01-18   
406-955 1 Kalispell MT   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-955 5 Kalispell MT   5562 METROPCS, INC. 648      
406-955 6 Kalispell MT   6529 T-MOBILE USA, INC. 648      
406-955 8 Kalispell MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-955 9 Kalispell MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-956 A Baker MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-956 0 Baker MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-957 A Terry MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-957 0 Terry MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-957 1 Terry MT BLNGMT93DS0  588H AIRUS, INC. - MT 650      
406-957 2 Terry MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-957 3 Terry MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-957 6 Terry MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-957 7 Terry MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-957 8 Terry MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-957 9 Terry MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-960 A Dillon MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-960 0 Dillon MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-960 4 Dillon MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-961 A Hamilton MT CRVSMTMARS1  9636 QWEST CORPORATION 648      
406-961 0 Hamilton MT CRVSMTMARS1  9636 QWEST CORPORATION 648      
406-961 1 Hamilton MT CRVSMTMARS1  9636 QWEST CORPORATION 648      
406-961 2 Hamilton MT CRVSMTMARS1  9636 QWEST CORPORATION 648      
406-961 3 Hamilton MT CRVSMTMARS1  9636 QWEST CORPORATION 648      
406-961 4 Hamilton MT CRVSMTMARS1  9636 QWEST CORPORATION 648      
406-961 5 Hamilton MT CRVSMTMARS1  9636 QWEST CORPORATION 648      
406-961 6 Hamilton MT CRVSMTMARS1  9636 QWEST CORPORATION 648      
406-961 7 Hamilton MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-961 8 Hamilton MT CRVSMTMARS1  9636 QWEST CORPORATION 648      
406-961 9 Hamilton MT   792K CHARTER IP ENABLED SERVICES, LLC 648      
406-962 A Joliet MT JOLTMTMARS1  9636 QWEST CORPORATION 650      
406-962 0 Joliet MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-962 1 Joliet MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - 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: VoIP.ms

Like this site? We accept donations via PayPal.