After a quick e-mail to
[email protected]
I wrote:
I choose not to receive 0800 Reverse services as defined in section 4 ‘Range Of Services’ and request that you block my number (XXXXX XXXXXX) from receiving such calls.
Please acknowledge receipt hereof.
Regards
etc
They replied: (In approximately 10 mins)
Thank you for your enquiry.
As requested a block (5 years) on the 0800 Reverse charge service has been issued against your telephone number.
Regards,
Customer Service
0800 Reverse (Operations) Limited
I took the chance to give them my number as I copied the email to contact @ ofcom.org.uk, so if it all goes Pete Tong, Ofcom are aware of the date of barring request.