Flat Rock zip code
Zip code in Flat Rock, IL
The location Flat Rock belongs to Crawford County, state of Illinois. Flat Rock has been assigned with the zip code 62427.
Flat Rock is the official name of the location so if you want to use the US Postal Service you must use that name. You can also use any of the following names: Birds.
| Zip code | Type | Population |
|---|---|---|
| 62427 | STANDARD | 1,440 |
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