| District of California area codes: 310 | |
|---|---|
| Country | United States |
| State/Province | California |
| Major City | Los Angeles |
| Time Zone | Pacific (UTC-08:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 310-261 | Los Angeles | Santa Monica, CA | Sprint Spectrum L.p. |
| 310-262 | Los Angeles | Santa Monica, CA | Usa Mobility Wireless |
| 310-263 | Los Angeles | Hawthorne, CA | Pacific Bell |
| 310-264 | Los Angeles | Santa Monica, CA | Verizon California Inc.-ca (gte) |
| 310-265 | Los Angeles | Rolling Hills, CA | Verizon California Inc.-ca (gte) |
| 310-266 | Los Angeles | Santa Monica, CA | New Cingular Wireless PCS |
| 310-267 | Los Angeles | Santa Monica, CA | Verizon California Inc.-ca (gte) |
| 310-268 | Los Angeles | Los Angeles, CA | Verizon California Inc.-ca (gte) |
| 310-269 | Los Angeles | Santa Monica, CA | American Messaging (am) |
| 310-270 | Los Angeles | Beverly Hills, CA | Pacific Bell |
| 310-271 | Los Angeles | Beverly Hills, CA | Pacific Bell |
| 310-272 | Los Angeles | Los Angeles, CA | Sprint Spectrum L.p. |
| 310-273 | Los Angeles | Beverly Hills, CA | Pacific Bell |
| 310-274 | Los Angeles | Beverly Hills, CA | Pacific Bell |
| 310-275 | Los Angeles | Beverly Hills, CA | Pacific Bell |
| 310-276 | Los Angeles | Beverly Hills, CA | Pacific Bell |
| 310-277 | Los Angeles | Beverly Hills, CA | Pacific Bell |
| 310-278 | Los Angeles | Beverly Hills, CA | Pacific Bell |
| 310-279 | Los Angeles | Beverly Hills, CA | Pacific Bell |
| 310-280 | Los Angeles | Culver City, CA | Pacific Bell |
There are 787 prefixes, In the code area, the major cities are Beverly Hills, CA;Carson, CA;Culver City, CA;Garde. The major city is Los Angeles.