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ZIP codes in Placer County, California

Placer County, California has 29 ZIP codes in this list, from 95602 to 96148. They cover 24 places, among them Auburn, Roseville, Rocklin and Foresthill.

The ZIP code areas of Placer County add up to about 855 square miles of land (2,215 sq km) as the Census Bureau draws them. The largest is 95631 (Foresthill), with 174 square miles.

Places with more than one code here: Auburn (3 codes), Roseville (3 codes), Rocklin (2 codes).

Using these codes

Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.

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