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 DuPage County Address Data
Businesses Addresses: 46,941
PO Box Addresses: 6,623
Residential Addresses: 478,103
Multi-Family Addresses: 103,036
Single Family Addresses: 373,479
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Map of DuPage County, IL ZIP Codes With Actual (Default) City Names