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: 1,668
PO Box Addresses: 2,133
Residential Addresses: 22,559
Multi-Family Addresses: 1,356
Single Family Addresses: 21,203
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Map of Stephenson County, IL ZIP Codes With Actual (Default) City Names