Guides: unknown calls, scams and how to stop them (UK)

Amazon scam calls: Prime subscription and fraud alerts

Automated calls saying your Amazon Prime has been renewed or your account hacked are scams. Here is how they work and what to do.

159 is a UK number that connects you to your bank. Use it when someone claiming to be your bank calls you.

Fake BT or Openreach calls say your broadband is about to be cut off. They are scams. Here is how to deal with them.

How to recognise fake HMRC phone calls, texts and voicemails, and what HMRC will and will not do.

Step-by-step instructions for blocking one caller or silencing every unknown number.

Practical ways to find out who an unknown number belongs to, without ringing it back.

Automated calls say your National Insurance number has been compromised. This is a scam. Here is what to do.

Calls that ring once and hang up are designed to make you ring back a premium-rate number. Here is how the scam works and how to avoid it.

Where to report scam calls, texts and nuisance calls in the UK, and which organisation deals with which problem.

Why one-ring calls exist, which numbers are risky to ring back, and what to do if you already called.

Silent calls are usually caused by automated dialling systems. Here is why they happen and how to report them.

Register with the TPS, block the number, and report the call to the right organisation. What each step does and what it cannot do.

What the TPS is, how to register for free, how long it takes, and what it cannot do.

The calls and texts scammers use most often in the UK, the warning signs, and what to do if you are caught out.

Repeated calls from one area code such as 0161 or 0121 are usually from call centres, not from your neighbours. Here is why.

What a withheld number is, how to hide yours with 141, and what to do about unwanted withheld calls.