Reference Data Rate Center Directory CRESBARD, SD Rate Center CRESBARD — SD Data last updated: March 10, 2026 LATA 640 State SD Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 45.16969693571333, -98.94908020531332 Area Codes 605 Top Carriers Carrier OCN NXX Count VENTURE COMMUNICATIONS COOPERATIVE 1680 1
