Ottawa Illinois is covered by a total of 1 ZIP Codes. There are also 1 ZIP Codes that overlap Ottawa but have a different postal city name. The ZIP Codes in Ottawa range from 61341 to 61350. Of the ZIP codes within or partially within Ottawa there are 1 Standard ZIP Codes. The total population of ZIP Codes in Ottawa is 24385.
Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Ottawa and can be turned on and off. Each type of postal code can also be turned on and off.
| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Marseilles | Standard | |||
| Ottawa | Standard |