What is 831?

831 is the area code for the central coast of California, including cities such as Santa Cruz, Monterey, Salinas, and Watsonville. It was established in 1998 as an overlay to the existing 408 area code. The 831 area code covers parts of Monterey, Santa Cruz, and San Benito counties. This region is known for its beautiful coastline, agricultural industry, and tourism attractions such as the Monterey Bay Aquarium and the Santa Cruz Beach Boardwalk.