Photo from Digital-Topo-Maps.com | Sabula, IA 52070 Post Office Location: 411 Broad Street; Sabula, IA Year Post Office built: Town(s) Served: Sabula Acceptable City Names: Sabula Not Acceptable City Names: Sectional Service Facility: Dubuque County(ies): Clinton, Jackson Info on Sabula: The City of Sabula is located in Eastern Iowa. It is the only city that is on an island in the State of Iowa. This is located along the Mississippi River. Sabula dates back to 1835. |