(559) 231
Prefix in FRESNO, California
Prefix Details
| Area Code | 559 |
| Prefix | 231 |
| Full Number Pattern | (559) 231-XXXX |
| Rate Center | FRESNO |
| State | California |
| Operating Company | AT&T CORP. |
| Time Zone | Pacific (PT, UTC-8) |
About the (559) 231 Prefix
The (559) 231 prefix is assigned to AT&T CORP. and serves the FRESNO rate center in California. Phone numbers with this prefix are in the Pacific Time Zone and are part of area code 559 which covers Fresno and surrounding areas.