Mercer Island, WA Area Codes
Mercer Island is served by area codes 206 and 564. It is in Washington, King County. About 25,307 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 206, 564 |
| State / province | Washington |
| County | King County |
| Population | 25,307 |
| ZIP codes | 1 |
| Time zone | Pacific |
| Coordinates | 47.5640, -122.2312 |
What area code is Mercer Island in?
ZIP codes in the code footprint
Nearby towns and their area codes
How to dial
Dial 206 + 7 digits for a number in Mercer Island, or +1 206 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.