Active Prefixes in Area Code 831
| Prefix | Primary City | Phone Type | Company |
|---|---|---|---|
| 831-203-#### | Salinas | Landline Numbers | American Messaging S... |
| 831-204-#### | Monterey | Landline Numbers | Ymax Communications ... |
| 831-205-#### | Monterey | Landline Numbers | Teleport Communicati... |
| 831-206-#### | Salinas | Wireless Numbers | Cellco Partnership D... |
| 831-207-#### | Salinas | Wireless Numbers | Sprint Spectrum L.p.... |
| 831-210-#### | Salinas | Wireless Numbers | T-mobile Usa, Inc.... |
| 831-212-#### | San Jose | Wireless Numbers | Sprint Spectrum L.p.... |
| 831-214-#### | Salinas | Wireless Numbers | New Cingular Wireles... |
| 831-216-#### | San Francisco | Landline Numbers | Teleport Communicati... |
| 831-217-#### | San Jose | Landline Numbers | Teleport Communicati... |
| 831-218-#### | San Jose | Landline Numbers | Teleport Communicati... |
| 831-219-#### | San Jose | Landline Numbers | Teleport Communicati... |
| 831-221-#### | Salinas | Landline Numbers | O1 Communications, I... |
| 831-222-#### | San Jose | Landline Numbers | U.s. Telepacific Cor... |
| 831-223-#### | Salinas | Landline Numbers | Pac - West Telecomm,... |
| 831-224-#### | Salinas | Wireless Numbers | T-mobile Usa, Inc.... |
| 831-227-#### | Sunnyvale | Wireless Numbers | Cellco Partnership D... |
| 831-229-#### | Salinas | Wireless Numbers | New Cingular Wireles... |
| 831-232-#### | Salinas | Landline Numbers | O1 Communications, I... |
| 831-233-#### | Salinas | Landline Numbers | Level 3 Communicatio... |
| 831-234-#### | Sunnyvale | Wireless Numbers | Cellco Partnership D... |
| 831-235-#### | Salinas | Wireless Numbers | Cellco Partnership D... |
| 831-236-#### | Salinas | Wireless Numbers | Cellco Partnership D... |
| 831-237-#### | Salinas | Landline Numbers | O1 Communications, I... |
| 831-238-#### | Salinas | Wireless Numbers | New Cingular Wireles... |
| 831-239-#### | Santa Clara | Wireless Numbers | New Cingular Wireles... |
| 831-240-#### | Salinas | Wireless Numbers | T-mobile Usa, Inc.... |
| 831-241-#### | Salinas | Landline Numbers | At&t Local... |
| 831-242-#### | Monterey | Landline Numbers | Pacific Bell... |
| 831-244-#### | Salinas | Landline Numbers | O1 Communications, I... |
Area Code 831 Introduction
| Area Code: | 831 |
| Country: | United States |
| State/Province: | California - CA |
| Major City: | Santa Cruz |
| Time Zone: | Pacific |
| Average property | $78.5K |
| Average age | 58 y/o |
| Average assets | $59.9K |
| Population density | 163,696 sq mi (423,970 km2) |
| Population | 39,250,017 |
| latitude Longitude: | |
| 32°32′ N to 42° N / 114°8′ W to 124°26′ W | |
| About 831 : | |
| The 831 Area Code (or Area Code 831) is located in the state of CA. Area Code 831 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 723 thousand unique phone numbers and 1.88 million individuals near the city of Monterey Area code 831 was put into service. Area code 831 was created from a split of area code 408. |
|
| Major cities or places | |
| Marina, CA>Monterey, CA>Salinas, CA>Santa Cruz, CA>Seaside, CA>Watsonville, CA | |