Reference DataRate Center DirectoryWESIGTNSPG, SD Rate CenterWESIGTNSPG — SDData last updated: October 30, 2026LATA640StateSDArea Codes1Exchanges (NXX)1Carriers1Coordinates44.07968468613019, -98.56878155455445Area Codes605Top CarriersCarrierOCNNXX CountVENTURE COMMUNICATIONS COOPERATIVE16801