Fairfield, CA ZIP Codes & Directory
Fairfield is located in Solano County in California. Browse all active 5-digit USPS ZIP codes serving Fairfield and surrounding Solano County delivery districts.
All ZIP Codes in Fairfield, CA
2 CodesAbout Fairfield Mail Delivery & Postal Administration
ZIP codes in Fairfield are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing Solano County and surrounding California metropolitan districts.
Frequently Asked Questions About Fairfield, CA ZIP Codes
How many ZIP codes serve Fairfield, California? ▾
Fairfield, California is served by 2 active USPS postal delivery codes: 94533, 94534.
What county is Fairfield located in? ▾
Fairfield is an incorporated city located within Solano County, California.
What is the population and demographic size of Fairfield? ▾
According to official U.S. Census Bureau data, Fairfield has an estimated population of 119,676 residents and is situated within the undefined.
How does mail sorting and delivery work in Fairfield? ▾
Mail delivery in Fairfield is operated by the United States Postal Service (USPS) through regional Sectional Center Facility (SCF) distribution plants servicing Solano County and surrounding California counties.
How much does it cost to ship a package to Fairfield, CA? ▾
Shipping costs to Fairfield 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 Fairfield? ▾
Standard USPS Ground Advantage typically takes 2-5 business days to reach Fairfield, depending on the origin. Priority Mail generally arrives in 1-3 business days. Please check tracking for specific regional routing times.