Postal reference / United States

90242Downey, California

ZIP code 90242 is a United States postal code for Downey, California. Its county association is Los Angeles County. The map reference point is at 33.9218, -118.1395.

State / territory
California
Recorded place name
Downey
County association
Los Angeles
Estimated coordinate
33.9218, -118.1395
View on OpenStreetMap
ZIP prefix
902 · 50 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
4.516 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.

Need the last four digits?

ZIP+4 depends on the full delivery address. A five-digit code alone cannot determine its extension.

Find ZIP+4

Explore California

Browse the other 2,592 ZIP codes recorded for California, sorted by code with place and county.

California directory

Other ZIP codes in Downey, CA

Downey has 4 ZIP codes in the reference dataset.

Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
90239DowneyCALos Angeles1.3
90241DowneyCALos Angeles1.5
90723ParamountCALos Angeles2.2
90706BellflowerCALos Angeles2.5
90240DowneyCALos Angeles2.8
90707BellflowerCALos Angeles3.1
90201Bell GardensCALos Angeles3.1
90650NorwalkCALos Angeles3.5

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

Verify a mailing address

For mailing, confirm the complete street or PO Box address with USPS. A place record does not confirm delivery eligibility or the ZIP+4 extension.

Open USPS address lookup