County Dubuque is located in the state of Iowa. Dubuque is spread between the coordinates of +42.5149997 Latitude and -90.68519884 Longitude. Dubuque has 17 zip codes, 21 cities, 1 area code and 3 post offices.
Below you will find more info about Dubuque and also zip codes, cities, area codes and the post offices that belong to this county.