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ZIP codes in Lassen County, California

Lassen County, California has 15 ZIP codes in this list, from 96009 to 96137. They cover 14 places, among them Susanville, Bieber, Nubieber and Doyle.

ZIP codePlaceLand area (sq mi)Map point
96009Bieber20341.132, -121.129
96068Nubieber28.741.096, -121.183
96109Doyle21440.001, -120.108
96113Herlong21.940.148, -120.171
96114Janesville65.540.296, -120.510
96117Litchfield32440.407, -120.409
96119Madeline13340.977, -120.555
96121Milford33.240.183, -120.389
96123Ravendale33640.798, -120.365
96127Susanvilleno area40.416, -120.653
96128Standish22.640.351, -120.407
96130Susanville50040.398, -120.646
96132Termo12240.951, -120.613
96136Wendel14540.341, -120.282
96137Westwood14240.304, -121.023

The ZIP code areas of Lassen County add up to about 2,292 square miles of land (5,935 sq km) as the Census Bureau draws them. The largest is 96130 (Susanville), with 500 square miles.

Places with more than one code here: Susanville (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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