Reference DataRate Center DirectoryREEHEIGHTS, SD Rate CenterREEHEIGHTS — SDData last updated: October 30, 2026LATA640StateSDArea Codes1Exchanges (NXX)1Carriers1Coordinates44.51586188801586, -99.2000718921805Area Codes605Top CarriersCarrierOCNNXX CountVENTURE COMMUNICATIONS COOPERATIVE16801