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Complain about phones or internet services

Got a problem with your phone or broadband? Find out what to do next.

Ofcom broadband and mobile maps

View the quality of mobile and fixed broadband coverage in your area.

Call costs

Find out how much it costs to call different numbers.

Nuisance calls and messages

Fed up with nuisance calls? We can make sure you complain to the right people.

Using your mobile abroad

Learn how to avoid running up a huge holiday phone bill.

Mobile locking and unlocking

Want to switch mobile provider but keep your phone? Read our advice.

Information for industry

Information for people working in the telecoms industry

Telecoms research

Useful research relating to phones, telecoms and internet