San Joaquin, CA ZIP Codes & Directory
San Joaquin is located in Fresno County in California. Browse all active 5-digit USPS ZIP codes serving San Joaquin and surrounding Fresno County delivery districts.
All ZIP Codes in San Joaquin, CA
1 CodesAbout San Joaquin Mail Delivery & Postal Administration
ZIP codes in San Joaquin are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing Fresno County and surrounding California metropolitan districts.
Frequently Asked Questions About San Joaquin, CA ZIP Codes
How many ZIP codes serve San Joaquin, California? ▾
San Joaquin, California is served by 1 active USPS postal delivery codes: 93660.
What county is San Joaquin located in? ▾
San Joaquin is an incorporated city located within Fresno County, California.
What is the population and demographic size of San Joaquin? ▾
According to official U.S. Census Bureau data, San Joaquin has an estimated population of 4,173 residents and is situated within the undefined.
How does mail sorting and delivery work in San Joaquin? ▾
Mail delivery in San Joaquin is operated by the United States Postal Service (USPS) through regional Sectional Center Facility (SCF) distribution plants servicing Fresno County and surrounding California counties.
How much does it cost to ship a package to San Joaquin, CA? ▾
Shipping costs to San Joaquin 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 San Joaquin? ▾
Standard USPS Ground Advantage typically takes 2-5 business days to reach San Joaquin, depending on the origin. Priority Mail generally arrives in 1-3 business days. Please check tracking for specific regional routing times.