Riverdale, CA ZIP Codes & Directory
Riverdale is located in Fresno County in California. Browse all active 5-digit USPS ZIP codes serving Riverdale and surrounding Fresno County delivery districts.
All ZIP Codes in Riverdale, CA
1 CodesAbout Riverdale Mail Delivery & Postal Administration
ZIP codes in Riverdale 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 Riverdale, CA ZIP Codes
How many ZIP codes serve Riverdale, California? ▾
Riverdale, California is served by 1 active USPS postal delivery codes: 93656.
What county is Riverdale located in? ▾
Riverdale is an incorporated city located within Fresno County, California.
What is the population and demographic size of Riverdale? ▾
According to official U.S. Census Bureau data, Riverdale has an estimated population of 6,459 residents and is situated within the undefined.
How does mail sorting and delivery work in Riverdale? ▾
Mail delivery in Riverdale 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 Riverdale, CA? ▾
Shipping costs to Riverdale 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 Riverdale? ▾
Standard USPS Ground Advantage typically takes 2-5 business days to reach Riverdale, depending on the origin. Priority Mail generally arrives in 1-3 business days. Please check tracking for specific regional routing times.