ZIP 94509 on the map: city, state, location and coordinates.

The ZIP code 94509 points to Antioch, California. This code is situated in Contra Costa County. On the following Open Street Map you can see the exact location of 94509 ZIP code. Zoom in or out to see the surrounding cities and areas, use the buttons shown on the map. Drag the map with your mouse or finger.
Exact coordinates of ZIP 94509: Latitude: 37.9939 South, Longitude: 121.809 West.

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