Petaluma, CA ZIP Codes & Directory
Petaluma is located in Sonoma County in California. Browse all active 5-digit USPS ZIP codes serving Petaluma and surrounding Sonoma County delivery districts.
All ZIP Codes in Petaluma, CA
3 CodesAbout Petaluma Mail Delivery & Postal Administration
ZIP codes in Petaluma are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing Sonoma County and surrounding California metropolitan districts.
Frequently Asked Questions About Petaluma, CA ZIP Codes
How many ZIP codes serve Petaluma, California? ▾
Petaluma, California is served by 3 active USPS postal delivery codes: 94952, 94954, 94999.
What county is Petaluma located in? ▾
Petaluma is an incorporated city located within Sonoma County, California.
What is the population and demographic size of Petaluma? ▾
According to official U.S. Census Bureau data, Petaluma has an estimated population of 71,920 residents and is situated within the undefined.
How does mail sorting and delivery work in Petaluma? ▾
Mail delivery in Petaluma is operated by the United States Postal Service (USPS) through regional Sectional Center Facility (SCF) distribution plants servicing Sonoma County and surrounding California counties.
How much does it cost to ship a package to Petaluma, CA? ▾
Shipping costs to Petaluma 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 Petaluma? ▾
Standard USPS Ground Advantage typically takes 2-5 business days to reach Petaluma, depending on the origin. Priority Mail generally arrives in 1-3 business days. Please check tracking for specific regional routing times.