Reference Data Rate Center Directory DOVER, OK Rate Center DOVER — OK Data last updated: March 10, 2026 LATA 536 State OK Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 35.98194509188698, -97.91174455832902 Area Codes 405 Top Carriers Carrier OCN NXX Count PIONEER TEL. COOP., INC. 2018 1
