Castroville, California Area Code

Castroville, CA Area Codes are


Castroville, CA is officially utilizing one area code which is area code 831.

In addition to Castroville, CA area code information read more about area code 831 details and California area codes.

Castroville, CA is located in Monterey County and observes the Pacific Time Zone. View our Times by Area Code tool.

California Area Code Map