Deer Park, CA ZIP Codes & Directory
Deer Park is located in Napa County in California. Browse all active 5-digit USPS ZIP codes serving Deer Park and surrounding Napa County delivery districts.
All ZIP Codes in Deer Park, CA
1 CodesAbout Deer Park Mail Delivery & Postal Administration
ZIP codes in Deer Park are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing Napa County and surrounding California metropolitan districts.
Frequently Asked Questions About Deer Park, CA ZIP Codes
How many ZIP codes serve Deer Park, California? ▾
Deer Park, California is served by 1 active USPS postal delivery codes: 94576.
What county is Deer Park located in? ▾
Deer Park is an incorporated city located within Napa County, California.
What is the population and demographic size of Deer Park? ▾
According to official U.S. Census Bureau data, Deer Park has an estimated population of 141 residents and is situated within the undefined.
How does mail sorting and delivery work in Deer Park? ▾
Mail delivery in Deer Park is operated by the United States Postal Service (USPS) through regional Sectional Center Facility (SCF) distribution plants servicing Napa County and surrounding California counties.
How much does it cost to ship a package to Deer Park, CA? ▾
Shipping costs to Deer Park 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 Deer Park? ▾
Standard USPS Ground Advantage typically takes 2-5 business days to reach Deer Park, depending on the origin. Priority Mail generally arrives in 1-3 business days. Please check tracking for specific regional routing times.