Vonachen Knolls zip code
Zip code in Vonachen Knolls, IL
The location Vonachen Knolls belongs to Peoria County, state of Illinois. Vonachen Knolls has been assigned with the zip code 61523.
The location name Vonachen Knolls is listed as unacceptable by the US Postal Service so any mailing should avoid it. Instead you can use Chillicothe, the official name of the location.
| Zip code | Type | Population |
|---|---|---|
| 61523 | STANDARD | 10,160 |
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