Reference DataRate Center DirectoryHARPSTER, OH Rate CenterHARPSTER — OHData last updated: October 30, 2026LATA324StateOHArea Codes1Exchanges (NXX)1Carriers1Coordinates40.73866918630171, -83.25247207763009Area Codes740Top CarriersCarrierOCNNXX CountFRONTIER NORTH, INC. - OH06151