Reference Data Rate Center Directory BESSIE, OK Rate Center BESSIE — OK Data last updated: March 10, 2026 LATA 536 State OK Area Codes 1 Exchanges (NXX) 2 Carriers 1 Coordinates 35.38382581271699, -98.989484244372 Area Codes 580 Top Carriers Carrier OCN NXX Count SOUTHWESTERN BELL 9533 2
