Reference Data Rate Center Directory KIOWA, OK Rate Center KIOWA — OK Data last updated: March 10, 2026 LATA 538 State OK Area Codes 2 Exchanges (NXX) 2 Carriers 1 Coordinates 34.72095914568858, -95.89992094491055 Area Codes 539 918 Top Carriers Carrier OCN NXX Count WINDSTREAM OKLAHOMA, INC. 1965 2
