![]() Photo from Digital-Topo-Maps.com | Rock Island, IL 61201/61204/61299 Post Office Location: 2633 11th Street/1956 2nd Avenue/639 38th Street; Rock Island, IL Year Post Office built: Town(s) Served: Rock Island Acceptable City Names: Rock Island Not Acceptable City Names: Rock Island Arsonal Sectional Service Facility: Rock Island County(ies): Rock Island Info on Rock Island: The City of Rock Island is one of the four cities that make of the Quad City Metro Area. Rock Island has it's name from the large island in the Mississippi River that is now known as Arsenal Island. |
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