El Sobrante, CA ZIP Codes & Directory
El Sobrante is located in Contra Costa County in California. Browse all active 5-digit USPS ZIP codes serving El Sobrante and surrounding Contra Costa County delivery districts.
All ZIP Codes in El Sobrante, CA
1 CodesAbout El Sobrante Mail Delivery & Postal Administration
ZIP codes in El Sobrante are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing Contra Costa County and surrounding California metropolitan districts.
Frequently Asked Questions About El Sobrante, CA ZIP Codes
How many ZIP codes serve El Sobrante, California? ▾
El Sobrante, California is served by 1 active USPS postal delivery codes: 94803.
What county is El Sobrante located in? ▾
El Sobrante is an incorporated city located within Contra Costa County, California.
What is the population and demographic size of El Sobrante? ▾
According to official U.S. Census Bureau data, El Sobrante has an estimated population of 26,457 residents and is situated within the undefined.
How does mail sorting and delivery work in El Sobrante? ▾
Mail delivery in El Sobrante is operated by the United States Postal Service (USPS) through regional Sectional Center Facility (SCF) distribution plants servicing Contra Costa County and surrounding California counties.
How much does it cost to ship a package to El Sobrante, CA? ▾
Shipping costs to El Sobrante 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 El Sobrante? ▾
Standard USPS Ground Advantage typically takes 2-5 business days to reach El Sobrante, depending on the origin. Priority Mail generally arrives in 1-3 business days. Please check tracking for specific regional routing times.