(310) 231
Prefix in W ANGELES, California
Prefix Details
| Area Code | 310 |
| Prefix | 231 |
| Full Number Pattern | (310) 231-XXXX |
| Rate Center | W ANGELES |
| State | California |
| Operating Company | FRONTIER CALIFORNIA INC. |
| Time Zone | Pacific (PT, UTC-8) |
About the (310) 231 Prefix
The (310) 231 prefix is assigned to FRONTIER CALIFORNIA INC. and serves the W ANGELES rate center in California. Phone numbers with this prefix are in the Pacific Time Zone and are part of area code 310 which covers Los Angeles and surrounding areas.