Plumas County, CA ZIP Codes & Directory
Complete postal guide for Plumas County, California. Featuring the official county seat of Quincy, largest municipality Portola, and serving 10 incorporated municipal entities.
Municipalities Located in Plumas County
Incorporated Cities, Towns, and Villages
Beckwourth
cityZIPs: 96129
Blairsden Graeagle
cityZIPs: 96103
Canyon Dam
cityZIPs: 95923
Chester
cityZIPs: 96020
Chilcoot
cityZIPs: 96105
Crescent Mills
cityZIPs: 95934
Greenville
cityZIPs: 95947
Portola
cityZIPs: 96122
Quincy
cityZIPs: 95971
Taylorsville
cityZIPs: 95983
Active USPS ZIP Codes in Plumas County
Standard delivery zones and geographic service boundaries
Frequently Asked Questions About Plumas County, CA
What is the county seat and largest city in Plumas County? ▾
The official county seat of Plumas County is Quincy, and its largest incorporated municipality by population is Portola.
How many cities, towns, and villages are in Plumas County? ▾
Plumas County encompasses 10 incorporated municipal entities, including 10 cities, 0 towns, and 0 villages.
What is the total population and land area of Plumas County? ▾
According to official U.S. Census Bureau data, Plumas County has a population of approximately 19,790 residents and spans an area of 2,553 square miles.
How many ZIP codes operate in Plumas County? ▾
There are 10 active USPS ZIP codes serving addresses within Plumas County, California.