About Us -

E-Mail To request items that are not in the catalog, change your personal information, or for general questions and comments, please e-mail us.
Phone or Visit Need to speak with a librarian? You can contact any St. Charles City-County Library District location during normal business hours. 
Postal Mail Administrative Office
77 Boone Hills Drive
P.O. Box 529
St. Peters, MO 63376
Fax: 636-441-3132
Main Phone: 636-441-2300