Reference Data Rate Center Directory CORN, OK Rate Center CORN — OK Data last updated: March 10, 2026 LATA 536 State OK Area Codes 1 Exchanges (NXX) 2 Carriers 1 Coordinates 35.37754228311089, -98.78306859070776 Area Codes 580 Top Carriers Carrier OCN NXX Count WINDSTREAM OKLAHOMA, INC. 1965 2
