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 Johnson County Address Data
Businesses Addresses: 623
PO Box Addresses: 1,103
Residential Addresses: 8,301
Multi-Family Addresses: 192
Single Family Addresses: 8,109
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Map of Johnson County, IL ZIP Codes With Actual (Default) City Names
