Reference Data Rate Center Directory CLEO SPG, OK Rate Center CLEO SPG — OK Data last updated: March 10, 2026 LATA 536 State OK Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 36.40680911280809, -98.44007665022329 Area Codes 580 Top Carriers Carrier OCN NXX Count PIONEER TEL. COOP., INC. 2018 1
