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City ZIP codes · California

Vacaville, CA ZIP Codes

3 ZIP codes use the postal name Vacaville, California (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 1 for PO boxes or a single organization. Median household income runs from $109,566 in 95687 to $118,186 in 95688 (Census Bureau, ACS 2020-2024). Vacaville's most populous ZIP code is 95687, with 69,390 people (ACS 2020-2024); 35% of its land is in the city of Vacaville.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Vacaville's ZIP codes?

95687: $110k median household income95688: $118k median household income956889568795687: $110k median household income95688: $118k median household income956889568795687: $110k median household income95688: $118k median household income9568895687
The 2 residential ZIP codes named Vacaville, 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 Vacaville's ZIP codes?

The highest median household income is in 95688 ($118,186), the lowest in 95687 ($109,566). Home values run from $606,300 in 95687 to $687,100 in 95688.

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

All 2 residential ZIP codes of Vacaville

Residential ZIP codes with the postal name Vacaville, CA, largest first (ACS 2020-2024); sort by any column
County
95687 Solano County 69,390 1,557 $110k $606k
95688 Solano County 40,201 437 $118k $687k

Download the 3 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 Vacaville

1 ZIP code named Vacaville 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.

Vacaville, 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
95696Solano County

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

Which counties do Vacaville's ZIP codes reach?

Vacaville's residential ZIP codes lie in Solano County.

Which places do Vacaville's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Vacaville's residential ZIP codes cover Vacaville itself and 2 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

  • Allendale census-designated 95688
  • Hartley census-designated 95688

Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).

Which first three digits do Vacaville'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 Vacaville starts with 956.

Three-digit prefixes of Vacaville'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 Vacaville's
PrefixSectional centerHereAll codes
956 Sacramento, CA (SCF 956) 3 94

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