Reference Data Rate Center Directory NO BRISTOW, SD Rate Center NO BRISTOW — SD Data last updated: March 10, 2026 LATA 644 State SD Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 43.04468202548291, -98.55842387316636 Area Codes 605 Top Carriers Carrier OCN NXX Count NORTHEAST NEBRASKA TEL. CO. 1576 1
