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: 27,422
PO Box Addresses: 5,712
Residential Addresses: 347,197
Multi-Family Addresses: 57,834
Single Family Addresses: 288,465
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Map of Lake County, IL ZIP Codes With Actual (Default) City Names