Reference Data Rate Center Directory PIERPONT, SD Rate Center PIERPONT — SD Data last updated: March 10, 2026 LATA 640 State SD Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 45.49556416684646, -97.83180567471989 Area Codes 605 Top Carriers Carrier OCN NXX Count VENTURE COMMUNICATIONS COOPERATIVE 1680 1
