Mendocino County, CA ZIP Codes & Directory
Complete postal guide for Mendocino County, California. Featuring the official county seat of Ukiah, largest municipality Ukiah, and serving 26 incorporated municipal entities.
Municipalities Located in Mendocino County
Incorporated Cities, Towns, and Villages
Albion
cityZIPs: 95410
Boonville
cityZIPs: 95415
Branscomb
cityZIPs: 95417
Caspar
cityZIPs: 95420
Comptche
cityZIPs: 95427
Covelo
cityZIPs: 95428
Dos Rios
cityZIPs: 95429
Elk
cityZIPs: 95432
Fort Bragg
cityZIPs: 95437
Gualala
cityZIPs: 95445
Hopland
cityZIPs: 95449
Laytonville
cityZIPs: 95454
Leggett
cityZIPs: 95585
Little River
cityZIPs: 95456
Manchester
cityZIPs: 95459
Mendocino
cityZIPs: 95460
Navarro
cityZIPs: 95463
Philo
cityZIPs: 95466
Piercy
cityZIPs: 95587
Point Arena
cityZIPs: 95468
Potter Valley
cityZIPs: 95469
Redwood Valley
cityZIPs: 95470
Ukiah
cityZIPs: 95482
Westport
cityZIPs: 95488
Willits
cityZIPs: 95490
Yorkville
cityZIPs: 95494
Active USPS ZIP Codes in Mendocino County
Standard delivery zones and geographic service boundaries
Frequently Asked Questions About Mendocino County, CA
What is the county seat and largest city in Mendocino County? ▾
The official county seat of Mendocino County is Ukiah, and its largest incorporated municipality by population is Ukiah.
How many cities, towns, and villages are in Mendocino County? ▾
Mendocino County encompasses 26 incorporated municipal entities, including 26 cities, 0 towns, and 0 villages.
What is the total population and land area of Mendocino County? ▾
According to official U.S. Census Bureau data, Mendocino County has a population of approximately 91,601 residents and spans an area of 3,506 square miles.
How many ZIP codes operate in Mendocino County? ▾
There are 26 active USPS ZIP codes serving addresses within Mendocino County, California.