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 Rock County Address Data
Businesses Addresses: 6,672
PO Box Addresses: 2,444
Residential Addresses: 100,816
Multi-Family Addresses: 10,602
Single Family Addresses: 89,544
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Map of Rock County, WI ZIP Codes With Actual (Default) City Names