Westwood, CA ZIP Codes & Directory
Westwood is located in Lassen County in California. Browse all active 5-digit USPS ZIP codes serving Westwood and surrounding Lassen County delivery districts.
All ZIP Codes in Westwood, CA
1 CodesAbout Westwood Mail Delivery & Postal Administration
ZIP codes in Westwood are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing Lassen County and surrounding California metropolitan districts.
Frequently Asked Questions About Westwood, CA ZIP Codes
How many ZIP codes serve Westwood, California? ▾
Westwood, California is served by 1 active USPS postal delivery codes: 96137.
What county is Westwood located in? ▾
Westwood is an incorporated city located within Lassen County, California.
What is the population and demographic size of Westwood? ▾
According to official U.S. Census Bureau data, Westwood has an estimated population of 3,265 residents and is situated within the undefined.
How does mail sorting and delivery work in Westwood? ▾
Mail delivery in Westwood is operated by the United States Postal Service (USPS) through regional Sectional Center Facility (SCF) distribution plants servicing Lassen County and surrounding California counties.
How much does it cost to ship a package to Westwood, CA? ▾
Shipping costs to Westwood 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 Westwood? ▾
Standard USPS Ground Advantage typically takes 2-5 business days to reach Westwood, depending on the origin. Priority Mail generally arrives in 1-3 business days. Please check tracking for specific regional routing times.