Lassen County ZIP Codes

List of ZIP Codes in Lassen County

The following table lists ZIP Codes associated with Lassen County, California, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude City Population Density
1 96006 41.15575 -120.83952 Adin 513 1.0
2 96009 41.06183 -121.04434 Bieber 380 0.7
3 96056 41.07178 -121.32607 Mcarthur 1,535 2.7
4 96068 41.10525 -121.20455 Nubieber 152 2.1
5 96109 39.99747 -120.09521 Doyle 1,182 2.1
6 96113 40.18577 -120.14609 Herlong 2,310 40.8
7 96114 40.2945 -120.49359 Janesville 2,797 16.5
8 96117 40.54556 -120.23978 Litchfield 249 0.3
9 96119 41.03353 -120.55264 Madeline 28 0.1
10 96121 40.16938 -120.37659 Milford 169 2.0
11 96123 40.80392 -120.30799 Ravendale 77 0.1
12 96128 40.34948 -120.40198 Standish 642 11.0
13 96130 40.54992 -120.63064 Susanville 20,892 16.1
14 96132 40.89371 -120.5389 Termo 17 0.1
15 96136 40.31263 -120.12425 Wendel 74 0.2
16 96137 40.38554 -121.12478 Westwood 2,717 7.4


About Lassen County ZIP Codes

Lassen County in California (CA) is served by approximately 16 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 33,734 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Lassen County are located in cities such as Susanville, Janesville, Westwood, Herlong, Mcarthur. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Lassen County, California follow the America/Los_Angeles time zone.