Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 7870 BLACKFOOT COMMUNICATIONS, INC. - MT

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
208-372 A Idaho Falls ID STATIDMADS2  652      
208-496 0 Idaho Falls ID   652      
208-496 1 Idaho Falls ID   652      
208-496 2 Idaho Falls ID   652      
208-496 3 Idaho Falls ID   652      
208-496 4 Idaho Falls ID   652      
208-496 5 Idaho Falls ID   652      
208-496 6 Idaho Falls ID   652      
208-496 7 Idaho Falls ID   652      
208-496 9 Idaho Falls ID   652      
208-612 A Idaho Falls ID STATIDMADS2  652      
406-310 A Butte MT BUTTMTAQ2MD  648      
406-310 4 Butte MT   648   2021-05-14   
406-532 A Missoula MT MSSLMTXCDS0  648      
406-541 A Missoula MT MSSLMTXCDS0  648      
406-601 A Billings MT BLNGMTASHMD  650      
406-601 4 Billings MT   650   2013-12-30   
406-602 A Bozeman MT BZMNMTMA2MD  650      
406-602 4 Bozeman MT   650   2013-12-30   
406-603 A Helena MT HLNAMTHO3MD  648      
406-603 4 Helena MT   648   2013-12-30   
406-604 A Great Falls MT GRFLMTMARS0  648      
406-604 4 Great Falls MT   648   2011-09-11   
406-607 A Kalispell MT KLSLMTXC4MD  648      
406-607 4 Kalispell MT   648   2013-12-30   

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

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