Clearlake, CA ZIP Codes & Directory
Clearlake is located in Lake County in California. Browse all active 5-digit USPS ZIP codes serving Clearlake and surrounding Lake County delivery districts.
All ZIP Codes in Clearlake, CA
1 CodesAbout Clearlake Mail Delivery & Postal Administration
ZIP codes in Clearlake 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 Clearlake, CA ZIP Codes
How many ZIP codes serve Clearlake, California? ▾
Clearlake, California is served by 1 active USPS postal delivery codes: 95422.
What county is Clearlake located in? ▾
Clearlake is an incorporated city located within Lake County, California.
What is the population and demographic size of Clearlake? ▾
According to official U.S. Census Bureau data, Clearlake has an estimated population of 17,017 residents and is situated within the undefined.
How does mail sorting and delivery work in Clearlake? ▾
Mail delivery in Clearlake 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 Clearlake, CA? ▾
Shipping costs to Clearlake 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 Clearlake? ▾
Standard USPS Ground Advantage typically takes 2-5 business days to reach Clearlake, depending on the origin. Priority Mail generally arrives in 1-3 business days. Please check tracking for specific regional routing times.