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Use the links below to report nuisance calls and messages.
Before you complain, you should read our guidance on nuisance calls and how to protect yourself from them.
If the phone rang but there was no one on the other end of the line, you should complain to Ofcom.
Information about silent calls is important to us. Although we can’t investigate individual cases, your complaints can lead to investigations and to us taking action.
Read our guidance on abandoned and silent calls.
If you were played a message saying a company had tried to call you but none of its operators were free to take the call, you should complain to Ofcom.
If you receive a missed call on your mobile phone from a number you don't recognise, think twice before calling it back. It could be a missed call scam.
If you believe you’ve been the victim of a missed call scam, contact your provider as soon as possible. You should also tell Action Fraud.
If you think you’ve been the victim of Caller ID spoofing, tell Action Fraud.
Read our guidance on number spoofing scams.
Ofcom has received reports from people who say they have received phone calls or messages claiming to be from us. These are scam calls and they don’t come from Ofcom.
Read our guidance on scam calls pretending to be from Ofcom.
Contact the organisation calling you and tell them you no don't want to be called, or register with the Telephone Preference Service (TPS).
If the problem continues, complain to the TPS or complain to the Information Commissioner’s Office (ICO).
Read our guidance on live telesales calls.
If a recorded marketing message was played when you answered the phone, complain to the ICO.
Read our guidance on automated marketing calls.
If you’ve received a text you don’t want that is marketing a product or service, complain to the ICO.
Read our guidance on spam texts.
If you received a marketing fax, complain to the ICO.
Read our guidance on marketing faxes.
Abusive or threatening calls, whether from people you know or from strangers, are a criminal offence.
Call your phone company and ask for their nuisance calls team.
If the caller is making threats to you or your family and you believe those threats to be real, call 999 straightaway.
If you believe that the threats are not immediate, call your local police station on 101.
Read our guidance on abusive and threatening calls.