Reference Data Rate Center Directory CANOVA, SD Rate Center CANOVA — SD Data last updated: March 10, 2026 LATA 640 State SD Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 43.88087900176461, -97.50194631040881 Area Codes 605 Top Carriers Carrier OCN NXX Count TRIOTEL COMMUNICATIONS, INC. 1669 1
