Valona, California
Valona is an unincorporated community in Contra Costa County, California, United States.[1] It is located in the bluffs above Crockett, 5.5 miles (9 km) west-northwest of Martinez,[3] at an elevation of 62 feet (19 m).[1] The similar village of Selby is located nearby. The ZIP Code is 94525. The community is inside area codes 510 and 341. References
|