Dayton zip code
Zip code in Dayton, IL
The location Dayton belongs to LaSalle County, state of Illinois. Dayton has been assigned with the zip code 61350.
The location name Dayton is listed as unacceptable by the US Postal Service so any mailing should avoid it. Instead you can use Ottawa, the official name of the location.
| Zip code | Type | Population |
|---|---|---|
| 61350 | STANDARD | 21,300 |
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