Keithsburg zip code
Zip code in Keithsburg, IL
The location Keithsburg belongs to Mercer County, state of Illinois. Keithsburg has been assigned with the zip code 61442.
Keithsburg is the official name of the location so if you want to use the US Postal Service you must use that name.
| Zip code | Type | Population |
|---|---|---|
| 61442 | STANDARD | 560 |
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