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: 28,336
PO Box Addresses: 7,201
Residential Addresses: 342,156
Multi-Family Addresses: 56,885
Single Family Addresses: 284,173
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Map of Lake County, IL ZIP Codes With Actual (Default) City Names
