Los Osos, CA ZIP Codes & Directory
Los Osos is located in San Luis Obispo County in California. Browse all active 5-digit USPS ZIP codes serving Los Osos and surrounding San Luis Obispo County delivery districts.
All ZIP Codes in Los Osos, CA
1 CodesAbout Los Osos Mail Delivery & Postal Administration
ZIP codes in Los Osos are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing San Luis Obispo County and surrounding California metropolitan districts.
Frequently Asked Questions About Los Osos, CA ZIP Codes
How many ZIP codes serve Los Osos, California? ▾
Los Osos, California is served by 1 active USPS postal delivery codes: 93402.
What county is Los Osos located in? ▾
Los Osos is an incorporated city located within San Luis Obispo County, California.
What is the population and demographic size of Los Osos? ▾
According to official U.S. Census Bureau data, Los Osos has an estimated population of 14,500 residents and is situated within the undefined.
How does mail sorting and delivery work in Los Osos? ▾
Mail delivery in Los Osos is operated by the United States Postal Service (USPS) through regional Sectional Center Facility (SCF) distribution plants servicing San Luis Obispo County and surrounding California counties.
How much does it cost to ship a package to Los Osos, CA? ▾
Shipping costs to Los Osos 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 Los Osos? ▾
Standard USPS Ground Advantage typically takes 2-5 business days to reach Los Osos, depending on the origin. Priority Mail generally arrives in 1-3 business days. Please check tracking for specific regional routing times.