Reference Data Rate Center Directory AVON, MT Rate Center AVON — MT Data last updated: March 10, 2026 LATA 648 State MT Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 46.5985292811916, -112.5967940060705 Area Codes 406 Top Carriers Carrier OCN NXX Count BLACKFOOT TEL. COOP., INC. 2235 1
