Help & advice with your phone and broadband services.

Featured content

Nuisance calls and messages

Find out what action you can take to protect yourself against nuisance calls and who you can complain to.

Ofcom broadband and mobile maps

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

Ofcom broadband and mobile checker app

Check whether your in-home Wi-Fi is giving you the best service by using our app.

Telephone area codes

Our telephone number tool will help you look up areas and codes.

What are 03 numbers?

You have probably seen them around but what are 03 numbers and how much do they cost?

Mobile locking and unlocking

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