Discover stores in Callao

It appears that there is a bit of confusion regarding the city of Callao in Missouri, United States. From our research, we cannot confirm that there is a city by this name in Missouri. However, there is a Callao in Peru, located on the coast of the Pacific Ocean. It is known for its important port and historic landmarks, including the Real Felipe Fortress and the Plaza Grau. If you have any additional information or clarification on the supposed city of Callao in Missouri, please let us know.