Reference Data Rate Center Directory NORTH CODY, SD Rate Center NORTH CODY — SD Data last updated: March 10, 2026 LATA 644 State SD Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 43.0151951706796, -101.2562586049563 Area Codes 605 Top Carriers Carrier OCN NXX Count GREAT PLAINS COMMUNICATIONS, INC. 1577 1
