Saint Louis, MO

ZIP code 63188 is located in St. Louis, Missouri, and is primarily known for being the home of the Gateway Arch, a famous monument that symbolizes westward expansion in the United States. This area also houses the Old Courthouse, a historic building that played a significant role in the Dred Scott case. Additionally, the St. Louis Riverfront is a popular spot for locals and tourists to enjoy scenic views of the Mississippi River.