Lassen County ZIP Codes
California, United States · 15 codes
Lassen County in California has 15 ZIP codes, from 96009 to 96137, serving 15 places.
ZIP codes in Lassen
Frequently asked questions
What is the ZIP code of Lassen?
Lassen has 15 ZIP codes, from 96009 to 96137. The table lists the places each one serves.
How many places are listed in Lassen County?
15 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.