 | Ottawa, IL 61350 Post Office Location: 750 East Etna Road; Ottawa, IL/405 West Main Street; Ottawa, IL Year Post Office built: Town(s) Served: Ottawa, Prairie Center Acceptable City Names: Ottawa Not Acceptable City Names: Brickton, Dayton, Naplate, North Ottawa, Prairie Center, Stoneyville, Woodland Addition Sectional Service Facility: La Salle County(ies): La Salle Info on Ottawa: The City of Ottawa is located in Central La Salle County. It is the county seat for La Salle County. Interstate 80, U.S. 6, Illinois 23, Illinois 71, the CSX Railroad, and the Illinois Railnet pass through Ottawa. This is a scenic gateway to the Starved Rock State Park area. Ottawa was the site of the first Lincoln-Douglas Debate in 1858. The Fox and Illinois Rivers join on at the southwest side of Downtown Ottawa. |
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