(564) 777
Prefix in CASTLEROCK, Washington
Prefix Details
| Area Code | 564 |
| Prefix | 777 |
| Full Number Pattern | (564) 777-XXXX |
| Rate Center | CASTLEROCK |
| State | Washington |
| Operating Company | TERRA NOVA TELECOM INC. |
| Time Zone | Pacific (PT, UTC-8) |
About the (564) 777 Prefix
The (564) 777 prefix is assigned to TERRA NOVA TELECOM INC. and serves the CASTLEROCK rate center in Washington. Phone numbers with this prefix are in the Pacific Time Zone and are part of area code 564 which covers Seattle and surrounding areas.