We are here to help. If you have questions or comments for WTTW, please use the WTTW Member & Audience Services Contact Form below. If you would like to send your question or comment through the mail, the WTTW mailing address is: WTTW Member & Audience Services, 5400 N. St. Louis Avenue, Chicago, IL 60625. The WTTW Member & Audience Services phone number is (773) 509-1111, option 6 (9:00 am-5:00 pm, M-F).