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 DeKalb County Address Data
Businesses Addresses: 4,521
PO Box Addresses: 3,670
Residential Addresses: 65,237
Multi-Family Addresses: 7,399
Single Family Addresses: 57,838
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Map of DeKalb County, IL ZIP Codes With Actual (Default) City Names