Reference Data Rate Center Directory WISE RIVER, MT Rate Center WISE RIVER — MT Data last updated: March 10, 2026 LATA 648 State MT Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 45.79160685549366, -112.949425710181 Area Codes 406 Top Carriers Carrier OCN NXX Count SOUTHERN MONTANA TEL. CO. 2254 1
