Upper Lake, CA ZIP Codes & Directory
Upper Lake is located in Lake County in California. Browse all active 5-digit USPS ZIP codes serving Upper Lake and surrounding Lake County delivery districts.
All ZIP Codes in Upper Lake, CA
1 CodesAbout Upper Lake Mail Delivery & Postal Administration
ZIP codes in Upper Lake are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing Lake County and surrounding California metropolitan districts.
Frequently Asked Questions About Upper Lake, CA ZIP Codes
How many ZIP codes serve Upper Lake, California? ▾
Upper Lake, California is served by 1 active USPS postal delivery codes: 95485.
What county is Upper Lake located in? ▾
Upper Lake is an incorporated city located within Lake County, California.
What is the population and demographic size of Upper Lake? ▾
According to official U.S. Census Bureau data, Upper Lake has an estimated population of 2,671 residents and is situated within the undefined.
How does mail sorting and delivery work in Upper Lake? ▾
Mail delivery in Upper Lake is operated by the United States Postal Service (USPS) through regional Sectional Center Facility (SCF) distribution plants servicing Lake County and surrounding California counties.
How much does it cost to ship a package to Upper Lake, CA? ▾
Shipping costs to Upper Lake 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 Upper Lake? ▾
Standard USPS Ground Advantage typically takes 2-5 business days to reach Upper Lake, depending on the origin. Priority Mail generally arrives in 1-3 business days. Please check tracking for specific regional routing times.