Reference Data Rate Center Directory WESIGTNSPG, SD Rate Center WESIGTNSPG — SD Data last updated: March 10, 2026 LATA 640 State SD Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 44.07968468613019, -98.56878155455445 Area Codes 605 Top Carriers Carrier OCN NXX Count VENTURE COMMUNICATIONS COOPERATIVE 1680 1
