| Piasa, Illinois | |
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| — Unincorporated community — | |
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Piasa, Illinois
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| Coordinates: | |
| Country | United States |
| State | Illinois |
| County | Macoupin |
| Elevation | 594 ft (181 m) |
| Time zone | Central (CST) (UTC-6) |
| • Summer (DST) | CDT (UTC-5) |
| ZIP code | 62079 |
| Area code(s) | 618 |
| GNIS feature ID | 415623[1] |
Piasa is an unincorporated community in Macoupin County, Illinois, United States. Piasa is located on Illinois Route 16 4 miles (6.4 km) west of Shipman. Piasa has a post office with ZIP code 62079.[2]
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