Start with the detail
you can verify.
Use the full postcode in both the provider checker and Ofcom Map Your Mobile. Indoor walls, mast faults, congestion and device compatibility affect results.
A useful order
- Find the exact provider, plan name and the date you joined or upgraded.
- Check your own postcode, device and terms in the provider’s current help or checkout.
- Keep a written copy of any quoted charge or change before you agree.
Where we stop
We explain the questions. Your provider alone can access an account, issue a replacement SIM, settle a bill or change a contract.