Ventura County, CA ZIP Codes & Directory
Complete postal guide for Ventura County, California. Featuring the official county seat of Ventura, largest municipality Oxnard, and serving 15 incorporated municipal entities.
Municipalities Located in Ventura County
Incorporated Cities, Towns, and Villages
Camarillo
cityZIPs: 93010, 93012
Fillmore
cityZIPs: 93015
Moorpark
cityZIPs: 93021
Newbury Park
cityZIPs: 91320
Oak Park
cityZIPs: 91377
Oak View
cityZIPs: 93022
Ojai
cityZIPs: 93023
Oxnard
cityZIPs: 93030, 93033 , +2 more
Port Hueneme
cityZIPs: 93041
Santa Paula
cityZIPs: 93060
Simi Valley
cityZIPs: 93063, 93065 , +1 more
Somis
cityZIPs: 93066
Thousand Oaks
cityZIPs: 91360, 91362
Ventura
cityZIPs: 93001, 93003 , +1 more
Westlake Village
cityZIPs: 91361
Active USPS ZIP Codes in Ventura County
Standard delivery zones and geographic service boundaries
Frequently Asked Questions About Ventura County, CA
What is the county seat and largest city in Ventura County? ▾
The official county seat of Ventura County is Ventura, and its largest incorporated municipality by population is Oxnard.
How many cities, towns, and villages are in Ventura County? ▾
Ventura County encompasses 15 incorporated municipal entities, including 15 cities, 0 towns, and 0 villages.
What is the total population and land area of Ventura County? ▾
According to official U.S. Census Bureau data, Ventura County has a population of approximately 843,843 residents and spans an area of 1,843 square miles.
How many ZIP codes operate in Ventura County? ▾
There are 24 active USPS ZIP codes serving addresses within Ventura County, California.