Sunnyvale, CA ZIP Codes
Sunnyvale, California has 5 ZIP codes: 4 for street addresses (, , and ) and 1 for PO boxes ().
Your street decides which one you use.
Which Sunnyvale 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?
Sunnyvale ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
94088 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Sunnyvale city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Sunnyvale ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 94085 | street delivery Palo Alto Sorting and Delivery Center |
| 94086 | street delivery Plaza Sunnyvale |
| 94087 | street delivery Encinal |
| 94088 | PO boxes at the Sunnyvale Sorting and Delivery Center post office Sunnyvale Sorting and Delivery Center |
| 94089 | street delivery Sunnyvale Sorting and Delivery Center |
Sunnyvale ZIP code questions
What is the main ZIP code for Sunnyvale?
94089, the ZIP code of the main Sunnyvale Sorting and Delivery Center post office at 209 E Java Dr.
Which Sunnyvale ZIP codes are for PO boxes only?
94088. Mail to it goes to boxes at the post office, not to street addresses.
What county is Sunnyvale in?
Santa Clara County.
ZIP codes for towns near Sunnyvale
More towns near Sunnyvale: Milpitas, Newark, Campbell, Fremont, Menlo Park, Los Gatos, San Jose, Redwood City, Union 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