Twain, California Zip Codes
📍 Twain is in Plumas County, California with 1 zip code; the most populous is 95984.
Twain is a USPS city name in Plumas County, California with a Census population of approximately 177 across its ZIP codes. Plumas County as a whole has 17 ZIP codes in this directory. Below you'll find every zip code serving Twain with population, income and home value, a map, and the city's affordability profile.
Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).
All Twain Zip Codes
Twain at a Glance
Twain has 1 ZIP code in this directory: 1 standard delivery ZIP.
Medians are taken across the ZIP codes listed below (each ZIP weighted equally); PO Box and no-data ZIPs are excluded. Definitions on the methodology page; statewide comparisons in the 2026 California ZIP Code Affordability Report.
Twain Zip Code Map
Interactive map of Twain, California zip codes. Click any marker for details.