(669) 290
Prefix in SUNNYVALE, California
Prefix Details
| Area Code | 669 |
| Prefix | 290 |
| Full Number Pattern | (669) 290-XXXX |
| Rate Center | SUNNYVALE |
| State | California |
| Operating Company | T-MOBILE USA, INC. |
| Time Zone | Pacific (PT, UTC-8) |
About the (669) 290 Prefix
The (669) 290 prefix is assigned to T-MOBILE USA, INC. and serves the SUNNYVALE rate center in California. Phone numbers with this prefix are in the Pacific Time Zone and are part of area code 669 which covers San Jose and surrounding areas.