Santa Barbara County, CA ZIP Codes & Directory
Complete postal guide for Santa Barbara County, California. Featuring the official county seat of Santa Barbara, largest municipality Santa Maria, and serving 10 incorporated municipal entities.
Municipalities Located in Santa Barbara County
Incorporated Cities, Towns, and Villages
Buellton
cityZIPs: 93427
Carpinteria
cityZIPs: 93013
Goleta
cityZIPs: 93117
Guadalupe
cityZIPs: 93434
Lompoc
cityZIPs: 93436, 93437
New Cuyama
cityZIPs: 93254
Santa Barbara
cityZIPs: 93101, 93103 , +5 more
Santa Maria
cityZIPs: 93454, 93455 , +1 more
Santa Ynez
cityZIPs: 93460
Solvang
cityZIPs: 93463
Active USPS ZIP Codes in Santa Barbara County
Standard delivery zones and geographic service boundaries
Frequently Asked Questions About Santa Barbara County, CA
What is the county seat and largest city in Santa Barbara County? ▾
The official county seat of Santa Barbara County is Santa Barbara, and its largest incorporated municipality by population is Santa Maria.
How many cities, towns, and villages are in Santa Barbara County? ▾
Santa Barbara County encompasses 10 incorporated municipal entities, including 10 cities, 0 towns, and 0 villages.
What is the total population and land area of Santa Barbara County? ▾
According to official U.S. Census Bureau data, Santa Barbara County has a population of approximately 448,229 residents and spans an area of 2,735 square miles.
How many ZIP codes operate in Santa Barbara County? ▾
There are 19 active USPS ZIP codes serving addresses within Santa Barbara County, California.