Rio Oso, CA ZIP Codes & Directory
Rio Oso is located in Sutter County in California. Browse all active 5-digit USPS ZIP codes serving Rio Oso and surrounding Sutter County delivery districts.
All ZIP Codes in Rio Oso, CA
1 CodesAbout Rio Oso Mail Delivery & Postal Administration
ZIP codes in Rio Oso are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing Sutter County and surrounding California metropolitan districts.
Frequently Asked Questions About Rio Oso, CA ZIP Codes
How many ZIP codes serve Rio Oso, California? ▾
Rio Oso, California is served by 1 active USPS postal delivery codes: 95674.
What county is Rio Oso located in? ▾
Rio Oso is an incorporated city located within Sutter County, California.
What is the population and demographic size of Rio Oso? ▾
According to official U.S. Census Bureau data, Rio Oso has an estimated population of 855 residents and is situated within the undefined.
How does mail sorting and delivery work in Rio Oso? ▾
Mail delivery in Rio Oso is operated by the United States Postal Service (USPS) through regional Sectional Center Facility (SCF) distribution plants servicing Sutter County and surrounding California counties.
How much does it cost to ship a package to Rio Oso, CA? ▾
Shipping costs to Rio Oso 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 Rio Oso? ▾
Standard USPS Ground Advantage typically takes 2-5 business days to reach Rio Oso, depending on the origin. Priority Mail generally arrives in 1-3 business days. Please check tracking for specific regional routing times.