San Ysidro, CA ZIP Codes & Directory
San Ysidro is located in San Diego County in California. Browse all active 5-digit USPS ZIP codes serving San Ysidro and surrounding San Diego County delivery districts.
All ZIP Codes in San Ysidro, CA
1 CodesAbout San Ysidro Mail Delivery & Postal Administration
ZIP codes in San Ysidro are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing San Diego County and surrounding California metropolitan districts.
Frequently Asked Questions About San Ysidro, CA ZIP Codes
How many ZIP codes serve San Ysidro, California? ▾
San Ysidro, California is served by 1 active USPS postal delivery codes: 92173.
What county is San Ysidro located in? ▾
San Ysidro is an incorporated city located within San Diego County, California.
What is the population and demographic size of San Ysidro? ▾
According to official U.S. Census Bureau data, San Ysidro has an estimated population of 29,703 residents and is situated within the undefined.
How does mail sorting and delivery work in San Ysidro? ▾
Mail delivery in San Ysidro is operated by the United States Postal Service (USPS) through regional Sectional Center Facility (SCF) distribution plants servicing San Diego County and surrounding California counties.
How much does it cost to ship a package to San Ysidro, CA? ▾
Shipping costs to San Ysidro 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 Ysidro? ▾
Standard USPS Ground Advantage typically takes 2-5 business days to reach San Ysidro, depending on the origin. Priority Mail generally arrives in 1-3 business days. Please check tracking for specific regional routing times.