Reference Data Rate Center Directory ALFALFA, OK Rate Center ALFALFA — OK Data last updated: March 10, 2026 LATA 536 State OK Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 35.21913490913429, -98.60583073535237 Area Codes 580 Top Carriers Carrier OCN NXX Count CARNEGIE TEL. CO. 1976 1
