County DeKalb is located in the state of Tennessee. DeKalb is spread between the coordinates of +36.0767012 Latitude and -86.01633701 Longitude. DeKalb has 4 zip codes, 4 cities, 2 area codes and 5 post offices.
Below you will find more info about DeKalb and also zip codes, cities, area codes and the post offices that belong to this county.