Where is area code 248? Area code for the US city: 248 The US area code 248 is for Michigan Other US area code 248 CitiesWest Bloomfield TownshipFarmington HillsFerndaleMadison HeightsNoviOak ParkPontiacRochester HillsRoyal OakSouthfieldTroyWaterfordWest Bloomfield Township Click here to find US Area Code List