ZIP Code 94509

Zip Code: 94509
Type: Standard
Official USPS city name: Antioch
Official USPS State Code: CA
Official State Name: California
ZCTA: TRUE
Population: 68166.0
Density: 1607.5
Primary Official County Code: 6013
Primary Official County Name: Contra Costa
Official County Name: Contra Costa
Official County Code: 6013
Imprecise: FALSE
Military: FALSE
Timezone: America/Los_Angeles (11:23 AM Monday, May 12 2025-05-12 (GMT -0700))
Geo Point: 37.99679, -121.81259