Reference Data Rate Center Directory CHARLO, MT Rate Center CHARLO — MT Data last updated: March 10, 2026 LATA 648 State MT Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 47.4387496893216, -114.1741521180882 Area Codes 406 Top Carriers Carrier OCN NXX Count BLACKFOOT TEL. COOP., INC. 2235 1
