| Area Code | 425 |
| State | Washington |
| Current Time in Area Code 425 | 425> PST |
| Timezone | Pacific Standard Time |
| Regional Market Area | Metro Seattle-Tacoma |
| Metro Area(s) | Seattle-Tacoma-Bellevue, WA |
| Population (2020) | 2269675 |
| Adjacent Area Codes | 206,253,360,509 |
| King County |