To faciltiate users, the United States of America is divided into regions known as Area Codes, corresponding to particular geographic telephone dialing areas.
An area code denotes the regional location of a phone number within the United States.
The Area Code table below shows an area codes each.
Area Code 831 listing, by city
@The cities listed with each area code are the major cities for that area code;
| City / State | Area code | Zip Code | County | Iso | |
|---|---|---|---|---|---|
| Aptos (California) | 831 | 95001 | Santa Cruz | US-CA | |
| Aptos (California) | 831 | 95003 | Santa Cruz | US-CA | |
| Aromas (California) | 831 | 95004 | Monterey | US-CA | |
| Ben Lomond (California) | 831 | 95005 | Santa Cruz | US-CA | |
| Big Sur (California) | 831 | 93920 | Monterey | US-CA | |
| Boulder Creek (California) | 831 | 95006 | Santa Cruz | US-CA | |
| Brookdale (California) | 831 | 95007 | Santa Cruz | US-CA | |
| Cantua Creek (California) | 831 | 93608 | Fresno | US-CA | |
| Capitola (California) | 831 | 95010 | Santa Cruz | US-CA | |
| Carmel (California) | 831 | 93922 | Monterey | US-CA | |
| Carmel (California) | 831 | 93923 | Monterey | US-CA | |
| Carmel By The Sea (California) | 831 | 93921 | Monterey | US-CA | |
| Carmel Valley (California) | 831 | 93924 | Monterey | US-CA | |
| Castroville (California) | 831 | 95012 | Monterey | US-CA | |
| Chualar (California) | 831 | 93925 | Monterey | US-CA | |
| Davenport (California) | 831 | 95017 | Santa Cruz | US-CA | |
| Felton (California) | 831 | 95018 | Santa Cruz | US-CA | |
| Freedom (California) | 831 | 95019 | Santa Cruz | US-CA | |
| Gonzales (California) | 831 | 93926 | Monterey | US-CA | |
| Greenfield (California) | 831 | 93927 | Monterey | US-CA | |
| Hollister (California) | 831 | 95024 | San Benito | US-CA | |
| Hollister (California) | 831 | 95023 | San Benito | US-CA | |
| Jolon (California) | 831 | 93928 | Monterey | US-CA | |
| King City (California) | 831 | 93930 | Monterey | US-CA | |
| Lockwood (California) | 831 | 93932 | Monterey | US-CA | |
| Marina (California) | 831 | 93933 | Monterey | US-CA | |
| Monterey (California) | 831 | 93940 | Monterey | US-CA | |
| Monterey (California) | 831 | 93942 | Monterey | US-CA | |
| Monterey (California) | 831 | 93943 | Monterey | US-CA | |
| Monterey (California) | 831 | 93944 | Monterey | US-CA | |
| Moss Landing (California) | 831 | 95039 | Monterey | US-CA | |
| Mount Hermon (California) | 831 | 95041 | Santa Cruz | US-CA | |
| Pacific Grove (California) | 831 | 93950 | Monterey | US-CA | |
| Paicines (California) | 831 | 95043 | San Benito | US-CA | |
| Pebble Beach (California) | 831 | 93953 | Monterey | US-CA | |
| Salinas (California) | 831 | 93902 | Monterey | US-CA | |
| Salinas (California) | 831 | 93907 | Monterey | US-CA | |
| Salinas (California) | 831 | 93908 | Monterey | US-CA | |
| Salinas (California) | 831 | 93912 | Monterey | US-CA | |
| Salinas (California) | 831 | 93915 | Monterey | US-CA | |
| Salinas (California) | 831 | 93901 | Monterey | US-CA | |
| Salinas (California) | 831 | 93905 | Monterey | US-CA | |
| Salinas (California) | 831 | 93906 | Monterey | US-CA | |
| San Ardo (California) | 831 | 93450 | Monterey | US-CA | |
| San Juan Bautista (California) | 831 | 95045 | San Benito | US-CA | |
| San Lucas (California) | 831 | 93954 | Monterey | US-CA | |
| Santa Cruz (California) | 831 | 95060 | Santa Cruz | US-CA | |
| Santa Cruz (California) | 831 | 95061 | Santa Cruz | US-CA | |
| Santa Cruz (California) | 831 | 95062 | Santa Cruz | US-CA | |
| Santa Cruz (California) | 831 | 95063 | Santa Cruz | US-CA | |
| Santa Cruz (California) | 831 | 95064 | Santa Cruz | US-CA | |
| Santa Cruz (California) | 831 | 95065 | Santa Cruz | US-CA | |
| Scotts Valley (California) | 831 | 95066 | Santa Cruz | US-CA | |
| Scotts Valley (California) | 831 | 95067 | Santa Cruz | US-CA | |
| Seaside (California) | 831 | 93955 | Monterey | US-CA | |
| Soledad (California) | 831 | 93960 | Monterey | US-CA | |
| Soquel (California) | 831 | 95073 | Santa Cruz | US-CA | |
| Spreckels (California) | 831 | 93962 | Monterey | US-CA | |
| Tres Pinos (California) | 831 | 95075 | San Benito | US-CA | |
| Watsonville (California) | 831 | 95077 | Santa Cruz | US-CA | |
| Watsonville (California) | 831 | 95076 | Santa Cruz | US-CA |