Note: Every ZIP Code has a single ACTUAL City Name assigned by the US Postal Service (USPS).
See the specific ZIP Code for acceptable Alternate City Names and spelling variations.
ZIP Codes in Dubuque County Address Data
Businesses Addresses: 3,671
PO Box Addresses: 1,968
Residential Addresses: 46,660
Multi-Family Addresses: 5,575
Single Family Addresses: 40,788
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Map of Dubuque County, IA ZIP Codes With Actual (Default) City Names