CALIFORNIA · AREA CODE GUIDE
831 area code location: Salinas and Santa Cruz, California
- Local date and time
- Pacific Time
Use arrow keys to pan. To zoom, use plus and minus, or hold Ctrl or ⌘ and scroll. On touch screens, use two fingers.
Download the 831 area code map
A printable area code 831 location map, with time zone and state. Use the PNG image in a document or slide; the SVG stays sharp at any size.
831 area code at a glance
- Country and calling code
- United States (+1)
- In service since
- Parent code
- 408
- New code planned
- No, as of 22 September 2026
An area code does not show where a caller is now.
Sources: NANPA area code listing, NANPA places by area code. Checked .
Time zone
- Pacific Time
- Standard time UTC−08:00
- Daylight saving time UTC−07:00
Where 831 reaches
831 numbers are issued across 24 communities. These are telephone exchange areas, which follow the phone network rather than city limits, so a place can sit just outside the boundary of the town it is named for.
- Salinas
- Santa Cruz
- Watsonville
- Hollister
- Monterey
- Soledad
- King City
- Gonzales
- Aptos
- Ben Lomond
- Big Sur
- Boulder Creek
- Carmel
- Carmel Valley
- Castroville
- Chualar
- Felton
- Greenfield (monterey)
- Idria
- Pinnacles
- San Ardo
- San Juan
- San Lucas
- Tres Pinos
Notable places in 831
| Place | Where | What it is |
|---|---|---|
| University of California, Santa Cruz | 3.0 km from Santa Cruz | University, 21,313 12-month enrollment (2023–24) |
| Pinnacles National Park | 5.3 km from Pinnacles | National Park |
| Monterey Bay Aquarium | 2.5 km from Monterey | Zoo |
| Naval Postgraduate School | 0.9 km from Monterey | University, 4,186 12-month enrollment (2023–24) |
| Monterey Regional Airport | 3.9 km from Monterey | Commercial airport, 305,434 enplanements (2024) |
| Salinas Municipal Airport | 3.9 km from Salinas | Airport |
| California State University, Monterey Bay | 9.7 km from Monterey | University, 7,706 12-month enrollment (2023–24) |
| Mesa Del Rey Airport | 1.7 km from King City | Airport |
| Fort Ord | 9.3 km from Monterey | Military base |
| Presidio of Monterey | 2.6 km from Monterey | US Army installation |
Questions about 831
Where is the 831 area code?
831 is in California. Its numbers are issued in Salinas, Santa Cruz, Watsonville, and 21 other communities.
What time zone is area code 831 in?
831 is in Pacific Time. Daylight saving time is observed.
Business phone numbers in area code 831, answered by an AI agent
A local number for Salinas, Santa Cruz, and Watsonville, California, with an AI receptionist that takes caller details, answers the questions you give it, and books appointments. Numbers depend on what carriers have left.