Reference Data Rate Center Directory WISDOM, MT Rate Center WISDOM — MT Data last updated: March 10, 2026 LATA 648 State MT Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 45.61730752279399, -113.448044293709 Area Codes 406 Top Carriers Carrier OCN NXX Count SOUTHERN MONTANA TEL. CO. 2254 1
