If you’re fed up receiving these calls and messages there is something you can do about it. Check out the Ofcom guide for help and advice.
It is now much easier for millions of consumers to change to a new broadband or landline deal.
If you want to switch to a different provider but keep your existing handset, you may need to get it unlocked. Our guide explains more.
People can now check their operator's mobile phone coverage using a simple, powerful online tool launched by Ofcom.