Diablo ZIP Codes — Contra Costa County, CA
There is one unique ZIP code in Diablo, California and it is 94528. Area code: 925.
1
ZIP codes
1.15
sq mi land
0.00
sq mi water
925
area code
Diablo, CA ZIP code map
ZIP codes for Diablo, CA (1)
| ZIP code | City | County | Map |
|---|---|---|---|
| 94528 | Diablo | Contra Costa | View map |