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Peru, IL ZIP codes

Peru, Illinois has 1 ZIP code in the reference dataset, associated with LaSalle County. Every code links to its own page with map reference point and nearby ZIP codes.

Peru, Illinois is in LaSalle County. Other U.S. towns named Peru, in states such as Indiana and New York, are listed in their state directories.

Place names are the postal names recorded by GeoNames, and county entries are place associations, not a complete geographic crosswalk.