The postal code of Rock Island which is listed in our database is 61204. Our records often include geographical coordinates of Rock Island and it's corresponding postal code.
In the result box below, you can find the postal code of Rock 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 Rock Island may also be present such as geographical data, historical records or news about Rock Island and 61204 in general.