Plain

City ZIP codes · California

Buena Park, CA ZIP Codes

4 ZIP codes use the postal name Buena Park, California (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 2 for PO boxes or a single organization. Median household income runs from $97,612 in 90621 to $126,094 in 90620, 1.3 times as much (Census Bureau, ACS 2020-2024). Buena Park's most populous ZIP code is 90620, with 46,608 people (ACS 2020-2024); 100% of its land is in the city of Buena Park.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Buena Park's ZIP codes?

90620: $126k median household income90621: $98k median household income906209062190620: $126k median household income90621: $98k median household income906209062190620: $126k median household income90621: $98k median household income9062090621
The 2 residential ZIP codes named Buena Park, 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 Buena Park's ZIP codes?

The highest median household income is in 90620 ($126,094), the lowest in 90621 ($97,612). Home values run from $832,000 in 90621 to $840,300 in 90620.

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

All 2 residential ZIP codes of Buena Park

Residential ZIP codes with the postal name Buena Park, CA, largest first (ACS 2020-2024); sort by any column
County
90620 Orange County 46,608 7,319 $126k $840k
90621 Orange County 35,984 8,584 $98k $832k

Download the 4 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 Buena Park

2 ZIP codes named Buena Park have 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.

Buena Park, 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
90622Orange County
90624Orange County

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

Which counties do Buena Park's ZIP codes reach?

Buena Park's residential ZIP codes lie in Orange County.

Which first three digits do Buena Park'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 Buena Park starts with 906.

Three-digit prefixes of Buena Park'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 Buena Park's
PrefixSectional centerHereAll codes
906 Industry, CA (SCF 917) 4 32

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