County Washtenaw is located in the state of Michigan. Washtenaw is spread between the coordinates of +42.2760522 Latitude and -83.78740290 Longitude. Washtenaw has 20 zip codes, 29 cities, 1 area code and 13 post offices.
Below you will find more info about Washtenaw and also zip codes, cities, area codes and the post offices that belong to this county.