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: 579
PO Box Addresses: 980
Residential Addresses: 8,426
Multi-Family Addresses: 179
Single Family Addresses: 8,247
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Map of Johnson County, IL ZIP Codes With Actual (Default) City Names