US Bank operates a branch at the airport offering full banking and foreign currency exchange services. They are located on the lower level of Terminal 1, near the C Gates security checkpoint.  Hours of operation are Monday - Friday, 8:00 a.m. – 5:00 p.m. They can be reached by phone at (314) 429-1248 

Foreign Currency Exchange (tel. 314-429-1248) at STL Airport is available at US Bank on the lower level of Terminal 1, near the C/D checkpoint.