(820) 203
Prefix in ATASCADERO, California
Prefix Details
| Area Code | 820 |
| Prefix | 203 |
| Full Number Pattern | (820) 203-XXXX |
| Rate Center | ATASCADERO |
| State | California |
| Operating Company | T-MOBILE USA, INC. |
| Time Zone | Pacific (PT, UTC-8) |
About the (820) 203 Prefix
The (820) 203 prefix is assigned to T-MOBILE USA, INC. and serves the ATASCADERO rate center in California. Phone numbers with this prefix are in the Pacific Time Zone and are part of area code 820 which covers Oxnard and surrounding areas.