94528 postal code
United StatesUpdated 2026-11-09Diablo, CaliforniaContra Costa5 digits
Postal code details
1 placeCode
94528
Place
Diablo
Region
California
County
Contra Costa
Coordinates
37.8387, -121.9667
Accuracy
4 / 6
Country
United States
Location
OpenStreetMap ↗



37.8387, -121.9667© OpenStreetMap
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Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| Diablo | California | Contra Costa | 37.8387, -121.9667 |
FAQ
Which city is 94528 in?
Diablo, California, United States.
What are the coordinates of 94528?
37.8387, -121.9667
Is 94528 used in other countries?
Yes, 2 other countries.
Updated 2026-11-09. Attribution in Data & license.