The postal code of Mercer Island which is listed in our database is 98040. Our records often include geographical coordinates of Mercer Island and it's corresponding postal code.
In the result box below, you can find the postal code of Mercer Island and it's location on the map if we have the location information available.
Every postal code is also located in a region or a district, in case we know the district or region of the city it will too be listed in the results.
All kinds of additional information we have on Mercer Island may also be present such as geographical data, historical records or news about Mercer Island and 98040 in general.