Where Is Area Code 831

831 Area Code Belongs To California, Salinas

831 Area Code belongs to United States state of California. Largest city covered by 831 area code is Salinas and covers all these other major cities of California state,

Aptos, Aromas, Ben Lomond, Big Sur, Boulder Creek, Brookdale, Capitola, Carmel, Carmel By The Sea, Carmel Valley, Castroville,. All Cities | Map 831 Area Code.