Mad River, CA ZIP Codes & Directory
Mad River is located in Trinity County in California. Browse all active 5-digit USPS ZIP codes serving Mad River and surrounding Trinity County delivery districts.
All ZIP Codes in Mad River, CA
1 CodesAbout Mad River Mail Delivery & Postal Administration
ZIP codes in Mad River are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing Trinity County and surrounding California metropolitan districts.
Frequently Asked Questions About Mad River, CA ZIP Codes
How many ZIP codes serve Mad River, California? ▾
Mad River, California is served by 1 active USPS postal delivery codes: 95552.
What county is Mad River located in? ▾
Mad River is an incorporated city located within Trinity County, California.
What is the population and demographic size of Mad River? ▾
According to official U.S. Census Bureau data, Mad River has an estimated population of 552 residents and is situated within the undefined.
How does mail sorting and delivery work in Mad River? ▾
Mail delivery in Mad River is operated by the United States Postal Service (USPS) through regional Sectional Center Facility (SCF) distribution plants servicing Trinity County and surrounding California counties.
How much does it cost to ship a package to Mad River, CA? ▾
Shipping costs to Mad River 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 Mad River? ▾
Standard USPS Ground Advantage typically takes 2-5 business days to reach Mad River, depending on the origin. Priority Mail generally arrives in 1-3 business days. Please check tracking for specific regional routing times.