Princeton, CA ZIP Codes & Directory
Princeton is located in Colusa County in California. Browse all active 5-digit USPS ZIP codes serving Princeton and surrounding Colusa County delivery districts.
All ZIP Codes in Princeton, CA
1 CodesAbout Princeton Mail Delivery & Postal Administration
ZIP codes in Princeton are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing Colusa County and surrounding California metropolitan districts.
Frequently Asked Questions About Princeton, CA ZIP Codes
How many ZIP codes serve Princeton, California? ▾
Princeton, California is served by 1 active USPS postal delivery codes: 95970.
What county is Princeton located in? ▾
Princeton is an incorporated city located within Colusa County, California.
What is the population and demographic size of Princeton? ▾
According to official U.S. Census Bureau data, Princeton has an estimated population of 535 residents and is situated within the undefined.
How does mail sorting and delivery work in Princeton? ▾
Mail delivery in Princeton is operated by the United States Postal Service (USPS) through regional Sectional Center Facility (SCF) distribution plants servicing Colusa County and surrounding California counties.
How much does it cost to ship a package to Princeton, CA? ▾
Shipping costs to Princeton 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 Princeton? ▾
Standard USPS Ground Advantage typically takes 2-5 business days to reach Princeton, depending on the origin. Priority Mail generally arrives in 1-3 business days. Please check tracking for specific regional routing times.