Reference Data Rate Center Directory INDIANOLA, OK Rate Center INDIANOLA — OK Data last updated: March 10, 2026 LATA 538 State OK Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 35.16377631662409, -95.7749800184353 Area Codes 918 Top Carriers Carrier OCN NXX Count OKLATEL COMMUNICATIONS, INC. 2013 1
