Reference DataRate Center DirectoryDEERFIELD, MI Rate CenterDEERFIELD — MIData last updated: October 30, 2026LATA340StateMIArea Codes1Exchanges (NXX)1Carriers1Coordinates41.88977021418882, -83.77883391029765Area Codes517Top CarriersCarrierOCNNXX CountDEERFIELD FARMERS TEL. CO.06911