Windsor, CA ZIP Codes & Directory
Windsor is located in Sonoma County in California. Browse all active 5-digit USPS ZIP codes serving Windsor and surrounding Sonoma County delivery districts.
All ZIP Codes in Windsor, CA
1 CodesAbout Windsor Mail Delivery & Postal Administration
ZIP codes in Windsor 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 Windsor, CA ZIP Codes
How many ZIP codes serve Windsor, California? ▾
Windsor, California is served by 1 active USPS postal delivery codes: 95492.
What county is Windsor located in? ▾
Windsor is an incorporated city located within Sonoma County, California.
What is the population and demographic size of Windsor? ▾
According to official U.S. Census Bureau data, Windsor has an estimated population of 27,819 residents and is situated within the undefined.
How does mail sorting and delivery work in Windsor? ▾
Mail delivery in Windsor 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 Windsor, CA? ▾
Shipping costs to Windsor 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 Windsor? ▾
Standard USPS Ground Advantage typically takes 2-5 business days to reach Windsor, depending on the origin. Priority Mail generally arrives in 1-3 business days. Please check tracking for specific regional routing times.