Piasa is an

unincorporated community An unincorporated area is a region that is not governed by a local municipal corporation. Widespread unincorporated communities and areas are a distinguishing feature of the United States and Canada. Most other countries of the world either have ...

Macoupin County Macoupin County is located in the U.S. state of Illinois. According to the 2010 United States Census, 2010 census, it had a population of 47,765. The county seat is Carlinville, Illinois, Carlinville. The primary industry is agriculture, consis ...

Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolita ...

, United States. Piasa is located on

Illinois Route 16 Illinois Route 16 (IL 16) is an east–west highway in central Illinois. Its western terminus is at the Joe Page Bridge over the Illinois River in Hardin, while its eastern terminus is at Paris at Illinois Route 1 and U.S. Route 150, with I ...

west of Shipman. Piasa has a

post office A post office is a public facility and a retailer that provides mail services, such as accepting letters and parcels, providing post office boxes, and selling postage stamps, packaging, and stationery. Post offices may offer additional serv ...

with ZIP code 62079.ZIP Code Lookup
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References

Unincorporated communities in Macoupin County, Illinois Unincorporated communities in Illinois {{MacoupinCountyIL-geo-stub