ZIP Codes in Sunnyvale, CA
Sunnyvale uses 4 ZIP codes, all in Santa Clara County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 4 Sunnyvale ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 94085 | standard | Santa Clara | 24,024 |
| 94086 | standard | Santa Clara | 49,746 |
| 94087 | standard | Santa Clara | 57,767 |
| 94089 | standard | Santa Clara | 22,699 |
Finding a ZIP+4 in Sunnyvale
Knowing which of these 4 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Sunnyvale street almost always have different ZIP+4 codes even though they share all five leading digits.
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