Peoria, IL

ZIP code 61637 is home to Peoria International Airport in Peoria, Illinois. This zip code also encompasses the Air National Guard base and the General Wayne A. Downing Peoria Civic Center. The area is bustling with aviation activities due to the airport, and the civic center hosts a variety of events ranging from concerts to trade shows, making ZIP code 61637 a hub of entertainment and transportation in the region.