Reference Data Rate Center Directory HENNEPIN, OK Rate Center HENNEPIN — OK Data last updated: March 10, 2026 LATA 536 State OK Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 34.50943237046431, -97.34812274670655 Area Codes 580 Top Carriers Carrier OCN NXX Count MID-AMERICA TEL., INC. 2010 1
