Reference DataRate Center DirectorySIDNEY, MI Rate CenterSIDNEY — MIData last updated: October 30, 2026LATA344StateMIArea Codes1Exchanges (NXX)2Carriers1Coordinates43.25028697067399, -85.134481299586Area Codes989Top CarriersCarrierOCNNXX CountFRONTIER NORTH, INC. - MI06952