Vacaville, CA ZIP Codes
Vacaville, California has 3 ZIP codes: 2 for street addresses ( and ) and 1 for PO boxes ().
Your street decides which one you use.
Which Vacaville 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?
Vacaville ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
95696 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Vacaville city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Vacaville ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 95687 | street delivery Vacaville |
| 95688 | street delivery Cernon |
| 95696 | PO boxes at the Cernon post office Cernon |
ZIP codes from nearby towns that reach into Vacaville
- 94533, mailing town Fairfield, covers 4 percent of Vacaville
Why your mail may say Vacaville when you live outside it
Vacaville ZIP codes also cover Hartley, Allendale and Elmira, so a letter addressed to Vacaville can go to a home outside the city limits.
The reverse happens too: parts of Vacaville use 94533, which mails under a neighboring town's name.
A ZIP code does not set your city, school district or tax. Solano County property records show which city you are in.
Vacaville ZIP code questions
What is the main ZIP code for Vacaville?
95687, the ZIP code of the main Vacaville post office at 200 Prairie Ct.
Which Vacaville ZIP codes are for PO boxes only?
95696. Mail to it goes to boxes at the post office, not to street addresses.
What county is Vacaville in?
Solano County.
ZIP codes for towns near Vacaville
More towns near Vacaville: Martinez, West Sacramento, Concord, Antioch, Pleasant Hill, Oakley, Sacramento, Florin, Walnut Creek.
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