Charter maintains offices and trained maintenance staff to be promptly available to Customers upon request. Our toll-free customer service number is 855-757-7328. Technical personnel will be dispatched as warranted. Charter strives to resolve any complaints concerning its Service as expeditiously as possible. Should a Customer have any unresolved complaint regarding quality of Service, Equipment malfunctions, or similar matters, the Customer should contact us at the local office identified on the enclosed statement. If a complaint remains unresolved, the Customer may write a brief explanation of the complaint and actions taken, and bring them to the attention of the corporate office by mailing to Charter, Attention: Customer Complaint, 941 Charter Commons Drive, Town and Country, MO 63017. If a customer has attempted to resolve the dispute through the processes outlined above, the customer may file a complaint with the Michigan Public Service Commission. The Commission's toll-free customer service number is 1-800-292-9555 and the Public Service Commission website address is: www.michigan.gov/mpsc. In addition, your local franchise authority contact information is listed on your monthly statement.