Walnut Zip Codes - Los Angeles County CA

Walnut, CA Zip Code Map

Walnut, CA is a city located in Los Angeles County, California and has a land area of 15.87 square miles (41.10 km2). The water area for the city is 0.05 square miles or 0.13 km2. There are 2 total unique zip codes in Walnut, California. The area code(s) for Walnut is 909.

Zip Codes for Walnut, CA (2)

Zip Code
City County
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91788 Walnut Los Angeles
91789 Walnut Los Angeles

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