Reference Data Rate Center Directory WESTSIDNEY, MT Rate Center WESTSIDNEY — MT Data last updated: March 10, 2026 LATA 650 State MT Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 47.71991287363924, -104.193904715059 Area Codes 406 Top Carriers Carrier OCN NXX Count MID-RIVERS TEL. COOP., INC. 2246 1
