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 Stephenson County Address Data
Businesses Addresses: 1,675
PO Box Addresses: 2,129
Residential Addresses: 22,593
Multi-Family Addresses: 1,352
Single Family Addresses: 21,241
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Map of Stephenson County, IL ZIP Codes With Actual (Default) City Names