Lassen County, California ZIP Codes

16 ZIP Codes

Zip Code
City
Population ↓
96130Susanville20,173
96114Janesville2,959
96137Westwood2,923
96113Herlong2,039
96056Mcarthur1,584
96109Doyle1,299
96128Standish656
96006Adin512
96009Bieber307
96117Litchfield261
96121Milford217
96068Nubieber94
96123Ravendale45
96136Wendel27
96132Termo21
96119Madeline6

Overview of ZIP Codes in Lassen County

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
16
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 16 ZCTAs in Lassen County, California (US Census).

Sources

  1. US Census: 2025 Gazetteer Files
  2. US Census: ZIP Code Tabulation Areas (ZCTAs)

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