Lake County Indiana ZIP Codes - Map and Full List

Lake County Indiana is covered by a total of 33 ZIP Codes. There are 3 ZIP Codes in Lake County that extend into adjacent counties (Jasper County, and Porter County). Of the ZIP codes within or partially within Lake County there are 26 Standard ZIP Codes and 7 PO Box ZIP Codes.

Map List Related

Lake County Indiana ZIP Code Map

Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Lake County and can be turned on and off. Each type of postal code can also be turned on and off.

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