Tracy, CA ZIP Codes
Tracy, California has 5 ZIP codes: 4 for street addresses (, , and ) and 1 for PO boxes ().
Your street decides which one you use.
Which Tracy ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Tracy ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
95378 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Tracy city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Tracy ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 95304 | street delivery Tracy Carrier Annex |
| 95376 | street delivery Tracy |
| 95377 | street delivery Tracy Carrier Annex |
| 95378 | PO boxes at the Tracy post office Tracy |
| 95391 | street delivery Tracy Carrier Annex |
Why your mail may say Tracy when you live outside it
Tracy ZIP codes also cover Mountain House, so a letter addressed to Tracy can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. San Joaquin County property records show which city you are in.
Tracy ZIP code questions
What is the main ZIP code for Tracy?
95376, the ZIP code of the main Tracy post office at 125 W 9th St.
Which Tracy ZIP codes are for PO boxes only?
95378. Mail to it goes to boxes at the post office, not to street addresses.
What county is Tracy in?
San Joaquin County.
ZIP codes for towns near Tracy
More towns near Tracy: Pleasanton, Dublin, Modesto, Antioch, San Ramon, Ceres, Lodi, Danville, Fremont.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections