Reference Data Rate Center Directory HANNA, OK Rate Center HANNA — OK Data last updated: March 10, 2026 LATA 538 State OK Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 35.20372907697267, -95.88959343180197 Area Codes 918 Top Carriers Carrier OCN NXX Count OKLATEL COMMUNICATIONS, INC. 2013 1
