Graton, CA ZIP Codes & Directory
Graton is located in Sonoma County in California. Browse all active 5-digit USPS ZIP codes serving Graton and surrounding Sonoma County delivery districts.
All ZIP Codes in Graton, CA
1 CodesAbout Graton Mail Delivery & Postal Administration
ZIP codes in Graton are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing Sonoma County and surrounding California metropolitan districts.
Frequently Asked Questions About Graton, CA ZIP Codes
How many ZIP codes serve Graton, California? ▾
Graton, California is served by 1 active USPS postal delivery codes: 95444.
What county is Graton located in? ▾
Graton is an incorporated city located within Sonoma County, California.
What is the population and demographic size of Graton? ▾
According to official U.S. Census Bureau data, Graton has an estimated population of 710 residents and is situated within the undefined.
How does mail sorting and delivery work in Graton? ▾
Mail delivery in Graton is operated by the United States Postal Service (USPS) through regional Sectional Center Facility (SCF) distribution plants servicing Sonoma County and surrounding California counties.
How much does it cost to ship a package to Graton, CA? ▾
Shipping costs to Graton 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 Graton? ▾
Standard USPS Ground Advantage typically takes 2-5 business days to reach Graton, depending on the origin. Priority Mail generally arrives in 1-3 business days. Please check tracking for specific regional routing times.