City utility payment drop boxes can be found at:
- East side - 2700 block of East Main St., in the Foxfield Commons Shopping Center (near Super Cuts)
- Downtown - City Hall/Municipal Building (2 E. Main St.) - Drop box located in the door at the southeast side of the Municipal Building
- Downtown - City Hall/Municipal Building - north Municipal parking lot - next to the USPS mailbox
- West side - 1515 W. Main Street - at the St. Charles Police Station