Reference Data Rate Center Directory DEVON, KS Rate Center DEVON — KS Data last updated: March 10, 2026 LATA 532 State KS Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 37.92189870386525, -94.81825118001662 Area Codes 620 Top Carriers Carrier OCN NXX Count CRAW-KAN TEL. COOP.,INC. - KS 1818 1
