Reference DataRate Center DirectoryBLUNT, SD Rate CenterBLUNT — SDData last updated: October 30, 2026LATA640StateSDArea Codes1Exchanges (NXX)1Carriers1Coordinates44.51438477651792, -99.9894204231586Area Codes605Top CarriersCarrierOCNNXX CountVENTURE COMMUNICATIONS COOPERATIVE16801