Washington County, Illinois ZIP Codes
ZIP Codes in Washington County with Associated Cities & Towns
Washington County, IL - Standard ZIP Codes
Washington County, IL - PO Box ZIP Codes (NO DEMOGRAPHIC DATA)
ZIP Codes in Washington County Address Data
- Businesses Addresses: 1,419
- PO Box Addresses: 1,734
- Residential Addresses: 15,977
- Multi-Family Addresses: 516
- Single Family Addresses: 15,461
Map of Washington County, IL ZIP Codes With Actual (Default) City Names
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