Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: BLNGMT939MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
406-230 4 Glasgow MT 145J TERRA NOVA TELECOM INC. 650   2026-04-30   
406-391 3 Cut Bank MT 145J TERRA NOVA TELECOM INC. 648   2026-07-05   
406-553 1 Divide MT 145J TERRA NOVA TELECOM INC. 648   2026-07-05   
406-576 7 Conrad MT 145J TERRA NOVA TELECOM INC. 648   2026-07-05   
406-593 5 Butte MT 145J TERRA NOVA TELECOM INC. 648   2026-07-05   
406-644 0 Charlo MT 145J TERRA NOVA TELECOM INC. 648   2026-07-05   
406-649 1 St Regis MT 145J TERRA NOVA TELECOM INC. 648   2026-07-05   
406-726 2 Arlee MT 145J TERRA NOVA TELECOM INC. 648   2026-07-05   
406-774 1 Lambert MT 145J TERRA NOVA TELECOM INC. 650   2026-04-30   
406-790 1 Culbertson MT 145J TERRA NOVA TELECOM INC. 650   2026-01-04   
406-846 0 Deer Lodge MT 145J TERRA NOVA TELECOM INC. 648   2026-07-05   
406-854 9 Marion MT 145J TERRA NOVA TELECOM INC. 648   2026-07-05   
406-913 1 Roundup MT 145J TERRA NOVA TELECOM INC. 650   2026-04-30   
406-919 A Belgrade MT 145J TERRA NOVA TELECOM INC. 650      
406-930 4 Big Timber MT 145J TERRA NOVA TELECOM INC. 650   2026-01-04   
406-935 5 Broadus MT 145J TERRA NOVA TELECOM INC. 650   2026-01-04   
406-939 9 West Glendive MT 145J TERRA NOVA TELECOM INC. 650   2026-01-04   
406-940 6 Molt MT 145J TERRA NOVA TELECOM INC. 650   2026-04-30   
406-954 2 Roy MT 145J TERRA NOVA TELECOM INC. 650   2026-04-30   
406-971 5 Plevna MT 145J TERRA NOVA TELECOM INC. 650   2026-01-04   
406-973 1 Sidney MT 145J TERRA NOVA TELECOM INC. 650   2026-01-04   
406-974 4 Circle MT 145J TERRA NOVA TELECOM INC. 650   2026-01-04   
406-975 8 Ekalaka MT 145J TERRA NOVA TELECOM INC. 650   2026-01-04   
406-977 6 Jordan MT 145J TERRA NOVA TELECOM INC. 650   2026-01-04   
406-978 9 Baker MT 145J TERRA NOVA TELECOM INC. 650   2026-01-04   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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