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 Lake County Address Data
Businesses Addresses: 27,341
PO Box Addresses: 5,547
Residential Addresses: 347,690
Multi-Family Addresses: 57,939
Single Family Addresses: 288,852
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Map of Lake County, IL ZIP Codes With Actual (Default) City Names
