Cayucos, CA ZIP Codes & Directory
Cayucos is located in San Luis Obispo County in California. Browse all active 5-digit USPS ZIP codes serving Cayucos and surrounding San Luis Obispo County delivery districts.
All ZIP Codes in Cayucos, CA
1 CodesAbout Cayucos Mail Delivery & Postal Administration
ZIP codes in Cayucos 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 Cayucos, CA ZIP Codes
How many ZIP codes serve Cayucos, California? ▾
Cayucos, California is served by 1 active USPS postal delivery codes: 93430.
What county is Cayucos located in? ▾
Cayucos is an incorporated city located within San Luis Obispo County, California.
What is the population and demographic size of Cayucos? ▾
According to official U.S. Census Bureau data, Cayucos has an estimated population of 2,849 residents and is situated within the undefined.
How does mail sorting and delivery work in Cayucos? ▾
Mail delivery in Cayucos 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 Cayucos, CA? ▾
Shipping costs to Cayucos 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 Cayucos? ▾
Standard USPS Ground Advantage typically takes 2-5 business days to reach Cayucos, depending on the origin. Priority Mail generally arrives in 1-3 business days. Please check tracking for specific regional routing times.