Lassen County, California ZIP codes
17 ZIP codes are in Lassen County, plus 2 that cross in from neighboring counties. It's part of the Susanville, CA micro area.
- ZIP codes
- 17
- Population in these ZIPs
- 33,123
- Avg. median income
- $70,600population-weighted
- Cities & towns
- 16
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Lassen County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 96006 | Adin | 512 | $46,094 | $202,400 |
| 96009 | Bieber | 307 | — | $201,800 |
| 96056 | Mcarthur | 1,584 | $61,442 | $297,100 |
| 96068 | Nubieber | 94 | — | — |
| 96109 | Doyle | 1,299 | $43,988 | $183,200 |
| 96113 | Herlong | 2,039 | $67,083 | $122,700 |
| 96114 | Janesville | 2,959 | $79,688 | $314,600 |
| 96117 | Litchfield | 261 | $104,583 | $288,900 |
| 96119 | Madeline | 6 | — | — |
| 96121 | Milford | 217 | $58,021 | $290,700 |
| 96123 | Ravendale | 45 | $41,563 | — |
| 96127 PO Box | Susanville | — | — | — |
| 96128 | Standish | 656 | $91,012 | $291,200 |
| 96130 | Susanville | 20,173 | $72,465 | $236,400 |
| 96132 | Termo | 21 | $68,472 | $427,800 |
| 96136 | Wendel | 27 | — | — |
| 96137 | Westwood | 2,923 | $65,896 | $447,800 |
ZIP codes partly in Lassen County
These ZIP codes are mostly in a neighboring county but cover part of Lassen County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 96105 | Chilcoot | Plumas County | 799 | $122,750 | $337,200 |
| 96110 | Eagleville | Modoc County | 65 | $78,333 | $207,700 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Lassen County
Nearby counties
Frequently asked questions
How many ZIP codes are in Lassen County, California?
17 ZIP codes are mainly in Lassen County, and 2 more ZIP codes from neighboring areas reach partly into it.
What cities are in Lassen County?
ZIP codes in Lassen County use the city names Adin, Bieber, Doyle, Herlong, Janesville, Litchfield, Madeline, Mcarthur, Milford, Nubieber, Ravendale and Standish and others.
What metro area is Lassen County in?
Lassen County is part of the Susanville, CA micropolitan statistical area.