About ZIP code 94528
The ZIP code 94528 routes mail to Diablo in the California region of United States. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
United States ยท ZIP code
94528 - Diablo
ZIP code 94528 is Diablo in California, United States.
| ZIP code | 94528 |
| Place | Diablo |
| Region | California |
| District | Contra Costa |
| Country | United States (US) |
| Coordinates | 37.8387, -121.9667 (map) |