CITY OF ST. CHARLES: Beware of Scams!
City of St. Charles issued the following announcement on Aug. 9.
Residents have been receiving calls from a 630 area code with a City of St. Charles caller ID claiming the City overcharged for utilities and customers are being refunded. If you receive a suspicious call please do not give out any of your personal information. Hang up and notify the St. Charles Police Department at 630.377.4435. If you ever have questions about your bill, call our Utility Billing Office directly at 630.377.4426.
Original source can be found here.
Source: City of St. Charles