Help & advice from at800

At800, a trademark of Digital Mobile Spectrum Limited (DMSL), represents UK mobile operators launching 4G mobile services at 800 MHz. The company is funded by and represents EE, Telefónica UK (O2), Three and Vodafone. At800 provides corrective support for households whose Freeview services could be affected by the deployment of 4G at 800 MHz. They also forecast which households are likely to be affected and provide updates before interference occurs. Customers can contact At800 for help and advice at 0808 13 13 800, with calls from UK landlines and mobiles being completely free. Their opening hours are Monday to Friday, 9:00am to 5:00pm, excluding bank holidays. Additionally, At800's social media policy can be viewed on their website.