Rohnert Park, CA ZIP Codes
Rohnert Park, California has 3 ZIP codes: for street addresses, for PO boxes and for a single organization.
Mail addressed to Rohnert Park covers nearby places too.
Where the 94928 ZIP code reaches
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94926 and 94927 have no area on the map: they are PO box or single-organization ZIP codes. Dashed line: Rohnert Park city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
Check an address in Rohnert Park
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?
Rohnert Park PO box and business ZIP codes
| ZIP | Type and post office or station |
|---|---|
| 94926 | one organization Cotati |
| 94927 | PO boxes at the Rohnert Park post office Rohnert Park |
| 94928 | street delivery Rohnert Park |
ZIP codes from nearby towns that reach into Rohnert Park
- 95407, mailing town Santa Rosa, covers 4 percent of Rohnert Park
Why your mail may say Rohnert Park when you live outside it
Rohnert Park ZIP codes also cover Sonoma State University, so a letter addressed to Rohnert Park can go to a home outside the city limits.
The reverse happens too: parts of Rohnert Park use 95407, which mails under a neighboring town's name.
A ZIP code does not set your city, school district or tax. Sonoma County property records show which city you are in.
Rohnert Park ZIP code questions
What is the main ZIP code for Rohnert Park?
94928, the ZIP code of the main Rohnert Park post office at 150 Raleys Towne Ctr.
Which Rohnert Park ZIP codes are for PO boxes only?
94927. Mail to it goes to boxes at the post office, not to street addresses.
What county is Rohnert Park in?
Sonoma County.
ZIP codes for towns near Rohnert Park
More towns near Rohnert Park: San Pablo, Richmond, Fairfield, Vacaville, Berkeley, Martinez, Pleasant Hill, Concord, Daly City.
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