Peoria Heights, IL

ZIP code 61616 is located in the city of Peoria, Illinois. This area is home to the impressive Caterpillar World Headquarters, a significant landmark in the region. The ZIP code also includes the Peoria Zoo, offering a variety of animal exhibits and educational opportunities for visitors. Nearby attractions include the Peoria Riverfront Museum and the Peoria Civic Center, making it a vibrant area for both residents and tourists.