Where Is Area Code 831 From?

           Area code number 831 serves the cities of Salinas, Hollister, Monterey, Santa Cruz and the northern part of the Central Coast, which are located in the state of California in the United States of America.

           It was split from area code number 408 and created on July 11, 1998. To the north of the area code number 831 are the area code numbers 408 and 650. To the east of the area code number 831 are the area code numbers 209 and 559. To the west of the area code number 831 are the Pacific Ocean and the area code number 808. To the south of the area code number 831 is the area code number 805.

           Area code number 408 covers the cities of Los Gatos, Milpitas, Santa Clara, Cupertino and San Jose in California. Area code number 650 covers San Mateo County (except the northernmost portion of the county) and the north-westernmost portion of Santa Clara, which includes the cities of Palo Alto, Mountain View and Los Altos in California. Area code number 209 covers the cities of Stockton, Merced, Modesto, San Andreas, parts of the Central Valley, the San Joaquin Valley and the Sierra Foothills in California.
  
           Area code number 559 is the southern half of area code number 209. Area code number 808 covers the area that extends from the inhabited parts of the Hawaiian Islands to Midway Island. Area code number 805 covers the counties of San Luis Obispo, Santa Barbara, Ventura, the southernmost portions of Monterey County and a small portion of Los Angeles County in California.