Reference Data Rate Center Directory MELSTONE, MT Rate Center MELSTONE — MT Data last updated: March 10, 2026 LATA 650 State MT Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 46.59883839114772, -107.8688162716458 Area Codes 406 Top Carriers Carrier OCN NXX Count MID-RIVERS TEL. COOP., INC. 2246 1
