County Fairfax is located in the state of Virginia. Fairfax is spread between the coordinates of +38.8496746 Latitude and -77.44737228 Longitude. Fairfax has 78 zip codes, 37 cities, 2 area codes and 15 post offices.
Below you will find more info about Fairfax and also zip codes, cities, area codes and the post offices that belong to this county.