Reference Data Rate Center Directory CLAIRECITY, SD Rate Center CLAIRECITY — SD Data last updated: March 10, 2026 LATA 640 State SD Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 45.85691055408793, -97.10331700329884 Area Codes 605 Top Carriers Carrier OCN NXX Count RC TECHNOLOGIES 1674 1
