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: 590
PO Box Addresses: 997
Residential Addresses: 8,394
Multi-Family Addresses: 188
Single Family Addresses: 8,206
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Map of Johnson County, IL ZIP Codes With Actual (Default) City Names