| District of California area codes: 831 | |
|---|---|
| Country | United States |
| State/Province | California |
| Major City | Salinas |
| Time Zone | Pacific |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 831-794 | Monterey | Salinas, CA | Metro PCS |
| 831-796 | Monterey | Salinas, CA | Pacific Bell |
| 831-800 | Monterey | Salinas, CA | Vaya Telecom |
| 831-801 | San Benito | Hollister, CA | Cellco Partnership DBA Verizon Wireless |
| 831-809 | Monterey | Salinas, CA | Cellco Partnership DBA Verizon Wireless |
| 831-818 | Santa Cruz | Santa Cruz, CA | Cellco Partnership DBA Verizon Wireless |
| 831-821 | San Benito | Tres Pinos, CA | Cellco Partnership DBA Verizon Wireless |
| 831-824 | Santa Cruz | Santa Cruz, CA | Teleport Communications Group - San Francisco |
| 831-840 | Santa Cruz | Watsonville, CA | New Cingular Wireless PCS |
| 831-844 | Monterey | Big Sur, CA | Pac - West Telecomm |
| 831-850 | Santa Cruz | Felton, CA | Pac - West Telecomm |
| 831-851 | Santa Cruz | Watsonville, CA | Pac - West Telecomm |
| 831-854 | Santa Cruz | Santa Cruz, CA | Pac - West Telecomm |
| 831-855 | Monterey | Salinas, CA | Pac - West Telecomm |
| 831-856 | Monterey | Greenfield, CA | O1 Communications |
| 831-869 | Monterey | Monterey, CA | Sprint Spectrum L.p. |
| 831-883 | Monterey | Marina, CA | Pacific Bell |
| 831-884 | Monterey | Marina, CA | Pacific Bell |
| 831-886 | Monterey | Salinas, CA | Pac - West Telecomm |
| 831-887 | Monterey | Salinas, CA | Pac - West Telecomm |
There are 334 prefixes, In the code area, the major cities are Hollister, CA;Marina, CA;Monterey, CA;Salinas, CA;. The major city is Salinas.