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.

OCN: 6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT

<< 1 2 3 4 5 6 7 8

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
406-935 0 Broadus MT   650      
406-935 3 Broadus MT   650   2018-12-17   
406-935 9 Broadus MT   650      
406-938 A Alzada MT BLNGMTWEIMD  650      
406-938 0 Alzada MT   650      
406-938 3 Alzada MT   650   2018-12-17   
406-938 4 Alzada MT   650      
406-938 8 Alzada MT   650      
406-938 9 Alzada MT   650      
406-939 A West Glendive MT BLNGMTWEIMD  650      
406-939 0 West Glendive MT   650      
406-939 1 West Glendive MT   650      
406-939 2 West Glendive MT   650      
406-939 3 West Glendive MT   650      
406-939 4 West Glendive MT   650      
406-939 5 West Glendive MT   650      
406-939 8 West Glendive MT   650   2018-11-28   
406-941 A West Glendive MT BLNGMTWEIMD  650      
406-941 0 West Glendive MT   650      
406-941 2 West Glendive MT   650   2011-02-06   
406-941 3 West Glendive MT   650   2012-07-08   
406-942 A Glasgow MT BLNGMTWEIMD  650      
406-942 0 Glasgow MT   650   2009-12-07   
406-942 2 Glasgow MT   650   2013-04-30   
406-946 1 Livingston MT   650   2018-03-12   
406-946 2 Livingston MT   650   2016-02-21   
406-953 1 Hardin MT   650   2025-11-24   
406-954 A Roy MT BLNGMTWEIMD  650      
406-954 0 Roy MT   650      
406-955 A Kalispell MT HLNAMTMAX1X  648   2024-01-18   
406-955 0 Kalispell MT   648   2025-11-25   
406-955 1 Kalispell MT   648   2024-08-22   
406-957 A Terry MT BLNGMTWEIMD  650      
406-957 0 Terry MT   650      
406-957 8 Terry MT   650      
406-957 9 Terry MT   650      
406-970 0 Billings MT   650   2019-04-26   
406-970 3 Billings MT   650   2020-05-13   
406-971 A Plevna MT BLNGMTWEIMD  650      
406-971 0 Plevna MT   650      
406-971 8 Plevna MT   650      
406-971 9 Plevna MT   650      
406-973 A Sidney MT BLNGMTWEIMD  650      
406-973 0 Sidney MT   650      
406-973 9 Sidney MT   650      
406-974 A Circle MT BLNGMTWEIMD  650      
406-974 0 Circle MT   650      
406-974 2 Circle MT   650      
406-974 3 Circle MT   650      
406-974 9 Circle MT   650      
406-975 A Ekalaka MT BLNGMTWEIMD  650      
406-975 0 Ekalaka MT   650      
406-975 6 Ekalaka MT   650      
406-977 A Jordan MT BLNGMTWEIMD  650      
406-977 0 Jordan MT   650      
406-977 2 Jordan MT   650      
406-977 8 Jordan MT   650      
406-977 9 Jordan MT   650      
406-978 A Baker MT BLNGMTWEIMD  650      
406-978 2 Baker MT   650      
406-978 3 Baker MT   650      
406-979 A Richey MT BLNGMTWEIMD  650      
406-979 0 Richey MT   650      
406-979 5 Richey MT   650      
406-979 8 Richey MT   650      
406-979 9 Richey MT   650      
406-980 A Townsend MT HLNAMTMAX1X  648      
406-980 0 Townsend MT   648      
406-980 1 Townsend MT   648      
406-981 A South Miles City MT BLNGMTWEIMD  650      
406-981 0 South Miles City MT   650      
406-981 1 South Miles City MT   650   2018-12-17   
406-983 A Ashland MT BLNGMTWEIMD  650      
406-983 0 Ashland MT   650      
406-983 2 Ashland MT   650   2018-12-17   
406-983 9 Ashland MT   650      
406-987 A Glendive MT BLNGMTWEIMD  650      
406-987 0 Glendive MT   650      
406-987 1 Glendive MT   650      
406-987 9 Glendive MT   650      
406-998 3 Billings MT   650   2020-08-24   
406-998 4 Billings MT   650   2020-08-24   

<< 1 2 3 4 5 6 7 8

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.