Peoria, IL

ZIP code 61637 encompasses the city of Peoria Heights, Illinois. This area is known for its charming downtown district filled with unique shops and restaurants. One of the most prominent landmarks in ZIP code 61637 is the historic Tower Park, which offers stunning views of the Illinois River and the Peoria skyline. This ZIP code is also home to Forest Park Nature Center, a beautiful natural area for hiking and birdwatching.