State Exchange Bank Address: 107 S Commercial St, Mankato, KS 66956 Phone: (785) 378-3222 Banks Other Businesses: Central National Bank at 208 E South St, Mankato, KS 66956 Travel Inn & Suites at 212 N Commercial St, Mankato, KS 66956 Crest-Vue Motel at 724 E South St, Mankato, KS 66956 Dreamliner Motel at 1002 W South St, Mankato, KS 66956