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City ZIP codes · California

Sunnyvale, CA ZIP Codes

5 ZIP codes use the postal name Sunnyvale, California (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 4 residential and 1 for PO boxes or a single organization. Median household income runs from $158,304 in 94089 to $207,742 in 94087, 1.3 times as much (Census Bureau, ACS 2020-2024). Sunnyvale's most populous ZIP code is 94087, with 57,767 people (ACS 2020-2024); 100% of its land is in the city of Sunnyvale.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Sunnyvale's ZIP codes?

94085: $192k median household income94086: $177k median household income94087: $208k median household income94089: $158k median household income9408794089940869408594085: $192k median household income94086: $177k median household income94087: $208k median household income94089: $158k median household income9408794089940869408594085: $192k median household income94086: $177k median household income94087: $208k median household income94089: $158k median household income94087940899408694085
The 4 residential ZIP codes named Sunnyvale, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are Sunnyvale's ZIP codes?

The highest median household income is in 94087 ($207,742), the lowest in 94089 ($158,304). Home values run from $387,800 in 94089 to $2,000,000 or more in 94087.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 4 residential ZIP codes of Sunnyvale

Residential ZIP codes with the postal name Sunnyvale, CA, largest first (ACS 2020-2024); sort by any column
County
94087 Santa Clara County 57,767 8,765 $208k $2M+
94086 Santa Clara County 49,746 11,391 $177k $1.81M
94085 Santa Clara County 24,024 6,839 $192k $1.53M
94089 Santa Clara County 22,699 3,730 $158k $388k

Download the 5 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Sunnyvale

1 ZIP code named Sunnyvale has no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Sunnyvale, CA: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
94088Santa Clara County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Sunnyvale's ZIP codes reach?

Sunnyvale's residential ZIP codes lie in Santa Clara County.

Which first three digits do Sunnyvale's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Sunnyvale starts with 940.

Three-digit prefixes of Sunnyvale's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Sunnyvale's
PrefixSectional centerHereAll codes
940 San Francisco, CA (SCF 940) 5 45

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.