Hillsdale zip code
Zip code in Hillsdale, IL
The location Hillsdale belongs to Rock Island County, state of Illinois. Hillsdale has been assigned with the zip code 61257.
Hillsdale 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 |
|---|---|---|
| 61257 | STANDARD | 920 |
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