If you want to send us feedback on our programming or a related issue, if you've a problem with your TV transmission or you can't find the answer to your query in our FAQs, then please click on Contact Us General
If you'd prefer to call us, Viewer Enquiries is open from 9am to 9pm Monday to Friday and from 10am to 7pm on Saturday and Sunday (Bank Holidays 10am to 6pm) on 0845 076 0191 or you can write to us at:
Channel 4 Enquiries
PO Box 1058
Belfast BT1 9DU
Click here for FAQs about our programmes, including how to get audience tickets or take part in a show, for general information on technical and transmission issues, or for information on our audio description, subtitling and signing services.
Click here for the general FAQs about our channels, if you'd like to know about recruitment or how to apply for information under the Freedom of Information Act.
The Channel 4 Headquarters building is at:
124 Horseferry Road
Tel: 0207 396 4444
We also have a regional office in Glasgow:
227 West George Street
Tel: 0141 568 7105