831 Area Code is part of 2 counties in the state of California. There are around 21 cities in the 831 area code. The 831 area code is located in the EST timezone. California has an avarage population of 37,554,569 spread between the coordinates of +36.116203 Latitude and -119.681564 Longitude.
Below you will find more info about 831 Area Code and also zip codes, counties, cities and the post offices that belong to this Area Code.