Rialto, CA ZIP Codes & Directory
Rialto is located in San Bernardino County in California. Browse all active 5-digit USPS ZIP codes serving Rialto and surrounding San Bernardino County delivery districts.
All ZIP Codes in Rialto, CA
2 CodesAbout Rialto Mail Delivery & Postal Administration
ZIP codes in Rialto are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing San Bernardino County and surrounding California metropolitan districts.
Frequently Asked Questions About Rialto, CA ZIP Codes
How many ZIP codes serve Rialto, California? ▾
Rialto, California is served by 2 active USPS postal delivery codes: 92376, 92377.
What county is Rialto located in? ▾
Rialto is an incorporated city located within San Bernardino County, California.
What is the population and demographic size of Rialto? ▾
According to official U.S. Census Bureau data, Rialto has an estimated population of 105,282 residents and is situated within the undefined.
How does mail sorting and delivery work in Rialto? ▾
Mail delivery in Rialto is operated by the United States Postal Service (USPS) through regional Sectional Center Facility (SCF) distribution plants servicing San Bernardino County and surrounding California counties.
How much does it cost to ship a package to Rialto, CA? ▾
Shipping costs to Rialto 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 Rialto? ▾
Standard USPS Ground Advantage typically takes 2-5 business days to reach Rialto, depending on the origin. Priority Mail generally arrives in 1-3 business days. Please check tracking for specific regional routing times.