Reference Data Rate Center Directory POPLAR, MT Rate Center POPLAR — MT Data last updated: March 10, 2026 LATA 650 State MT Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 48.109921261688, -105.19909518386 Area Codes 406 Top Carriers Carrier OCN NXX Count NEMONT TEL COOP INC 2247 1
