Reference Data Rate Center Directory SO REEDER, SD Rate Center SO REEDER — SD Data last updated: March 10, 2026 LATA 638 State SD Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 45.94404670142519, -102.9160123669142 Area Codes 605 Top Carriers Carrier OCN NXX Count CONSOLIDATED TELCOM 1607 1
