UDataX
Postal entity record

US 94509 Postal Code Data Source-backed

94509 postal code facts for Antioch, US: region, coordinates, source, and nearby postal codes.

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CountryUS
PlaceAntioch
RegionCA
Nearby rows12

Key metadata

PlaceAntioch
Admin areaCalifornia / CA
Local areaContra Costa
Coordinates37.9939, -121.8089
GeoNames accuracy4
SourceGeoNames postal code data
LicenseGeoNames postal data; provided as-is with attribution required.
Snapshot date2026-05-30

Nearby postal codes

CodePlaceRegionDistance
94531AntiochCalifornia2.6 mi
94561OakleyCalifornia5.7 mi
94565PittsburgCalifornia5.9 mi
94517ClaytonCalifornia7.7 mi
94513BrentwoodCalifornia7.8 mi
94548KnightsenCalifornia8 mi
94527ConcordCalifornia8.6 mi
94511Bethel IslandCalifornia9.3 mi
94521ConcordCalifornia9.4 mi
94512Birds LandingCalifornia11 mi
94519ConcordCalifornia11.1 mi
94518ConcordCalifornia12.2 mi