Where is area code 443? Area code for the US city: 443 The US area code 443 is for Maryland Other US area code 443 CitiesAnnapolisArbutusArnoldBaltimoreBel Air NorthBel Air SouthCarneyCatonsvilleColumbiaCroftonDundalkEdgewoodEldersburgWest ElkridgeEllicott CityEssexGlen BurnieLochearnMiddle RiverMilford MillOdentonParkvillePerry HallPikesvilleRandallstownReisterstownSalisburySevernSeverna ParkSouth GateTowson Click here to find US Area Code List
