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: 28,592
PO Box Addresses: 7,779
Residential Addresses: 340,776
Multi-Family Addresses: 56,881
Single Family Addresses: 282,686
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Map of Lake County, IL ZIP Codes With Actual (Default) City Names
