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Castro Valley California is covered by a total of 2 ZIP Codes. There are also 2 ZIP Codes that overlap Castro Valley but have a different postal city name. The ZIP Codes in. Castro Valley, CA is a city located in Alameda County, California and has a land area of 67.76 square miles (175.50 km2). The water area for the city is 1.55 square miles or 4.01 km2. There. Interactive and printable 94552 ZIP code maps, population demographics, Castro Valley CA real estate costs, rental prices, and home values.
ZIP Code 94546 is located in the city of Castro Valley, California and covers 15.957 square miles of land area. It is also located within Alameda County. According to the 2020. The 94546 ZIP code's location CASTRO VALLEY is the most populated location having 45,761 residents, among all ZIP code locations in Castro Valley, CA. This resource summarizes its. Below is a list of Castro Valley CA zip codes. For your research we have also included Castro Valley Area Code, Time Zone, UTC and the local Alameda County FIPS Code. Each Castro.
