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 Knox County Address Data
Businesses Addresses: 1,766
PO Box Addresses: 2,136
Residential Addresses: 22,634
Multi-Family Addresses: 1,698
Single Family Addresses: 20,723
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Map of Knox County, IL ZIP Codes With Actual (Default) City Names
