Reference Data Rate Center Directory RYAN, OK Rate Center RYAN — OK Data last updated: March 10, 2026 LATA 536 State OK Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 34.019787366556, -97.953182511358 Area Codes 580 Top Carriers Carrier OCN NXX Count SOUTHWESTERN BELL 9533 1
