Fullerton, CA ZIP Codes & Directory
Fullerton is located in Orange County in California. Browse all active 5-digit USPS ZIP codes serving Fullerton and surrounding Orange County delivery districts.
All ZIP Codes in Fullerton, CA
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About Fullerton Mail Delivery & Postal Administration
ZIP codes in Fullerton are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing Orange County and surrounding California metropolitan districts.
Frequently Asked Questions About Fullerton, CA ZIP Codes
How many ZIP codes serve Fullerton, California? ▾
Fullerton, California is served by 4 active USPS postal delivery codes: 92831, 92832, 92833, 92835.
What county is Fullerton located in? ▾
Fullerton is an incorporated city located within Orange County, California.
What is the population and demographic size of Fullerton? ▾
According to official U.S. Census Bureau data, Fullerton has an estimated population of 143,278 residents and is situated within the undefined.
How does mail sorting and delivery work in Fullerton? ▾
Mail delivery in Fullerton is operated by the United States Postal Service (USPS) through regional Sectional Center Facility (SCF) distribution plants servicing Orange County and surrounding California counties.
How much does it cost to ship a package to Fullerton, CA? ▾
Shipping costs to Fullerton depend on the package weight, dimensions, shipping carrier (USPS, UPS, FedEx), and the distance from the origin ZIP code. To calculate exact postage rates, use our shipping cost estimator tool.
What is the standard delivery time for mail to Fullerton? ▾
Standard USPS Ground Advantage typically takes 2-5 business days to reach Fullerton, depending on the origin. Priority Mail generally arrives in 1-3 business days. Please check tracking for specific regional routing times.