Atascadero, CA ZIP Codes & Directory
Atascadero is located in San Luis Obispo County in California. Browse all active 5-digit USPS ZIP codes serving Atascadero and surrounding San Luis Obispo County delivery districts.
All ZIP Codes in Atascadero, CA
1 CodesAbout Atascadero Mail Delivery & Postal Administration
ZIP codes in Atascadero 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 Atascadero, CA ZIP Codes
How many ZIP codes serve Atascadero, California? ▾
Atascadero, California is served by 1 active USPS postal delivery codes: 93422.
What county is Atascadero located in? ▾
Atascadero is an incorporated city located within San Luis Obispo County, California.
What is the population and demographic size of Atascadero? ▾
According to official U.S. Census Bureau data, Atascadero has an estimated population of 33,041 residents and is situated within the undefined.
How does mail sorting and delivery work in Atascadero? ▾
Mail delivery in Atascadero 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 Atascadero, CA? ▾
Shipping costs to Atascadero 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 Atascadero? ▾
Standard USPS Ground Advantage typically takes 2-5 business days to reach Atascadero, depending on the origin. Priority Mail generally arrives in 1-3 business days. Please check tracking for specific regional routing times.