Reference Data Rate Center Directory RIDGE, MT Rate Center RIDGE — MT Data last updated: March 10, 2026 LATA 654 State MT Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 45.04692940000003, -105.0202573 Area Codes 406 Top Carriers Carrier OCN NXX Count RT COMMUNICATIONS 3410 1
