Postal reference / United States

94089Sunnyvale, California

ZIP code 94089 is a United States postal code for Sunnyvale, California. Its county association is Santa Clara County. The map reference point is at 37.3983, -122.0006.

State / territory
California
Recorded place name
Sunnyvale
County association
Santa Clara
Estimated coordinate
37.3983, -122.0006
View on OpenStreetMap
ZIP prefix
940 · 45 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Area

Land area
6.085 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

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Other ZIP codes in Sunnyvale, CA

Sunnyvale has 5 ZIP codes in the reference dataset.

Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
94085SunnyvaleCASanta Clara1.2
94086SunnyvaleCASanta Clara2.0
95054Santa ClaraCASanta Clara2.1
95056Santa ClaraCASanta Clara2.2
95002AlvisoCASanta Clara2.4
94088SunnyvaleCASanta Clara2.8
95134San JoseCASanta Clara3.4
95051Santa ClaraCASanta Clara3.6

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

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