First State Bank of St Charles ← View details 3461 Technology Drive, Lake Saint Louis, MO 63367 +1 636-561-2450 fsbfinancial.com Suggest an Edit Name* State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 09:00 am — 05:00 pm Tuesday: 09:00 am — 05:00 pm Wednesday: 09:00 am — 05:00 pm Thursday: 09:00 am — 05:00 pm Friday: 09:00 am — 05:00 pm Saturday: 09:00 am — 12:00 pm Your comments * — Required information