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 Iroquois County Address Data
Businesses Addresses: 1,640
PO Box Addresses: 3,569
Residential Addresses: 17,151
Multi-Family Addresses: 706
Single Family Addresses: 16,445
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Map of Iroquois County, IL ZIP Codes With Actual (Default) City Names