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What is “Neighbour Spoofing” and Why is Your Caller ID Lying to You?

The phone rings, and the screen shows a local number. It looks like a neighbour, a nearby shop, or even a number you half remember. You answer. The voice on the other end is a complete stranger, often a scammer.

Welcome to the strange world of neighbour spoofing. It is one of the fastest growing scam tricks in the UK, and your caller ID has been quietly lying to you.

The good news is that once you understand how it works, you can stop being fooled by it. This guide will walk you through what neighbour spoofing is, why your phone falls for it, and the simple steps you can take to verify the real caller behind the number.

What is neighbour spoofing?

Neighbour spoofing is when a scammer makes their number look like a local one. Your phone might show a number with your area code. It might even share the first few digits of your own mobile number.

The aim is simple. We are far more likely to answer a call that looks local. A familiar number feels safe. Scammers know this and use it against us.

It is a form of caller ID spoofing, and it is now the trick behind many of the worst phone scams in the country. Bank impersonation, HMRC scams, fake delivery messages, and tech support scams all use spoofing to slip past your guard.

How scammers fake your caller ID

This is the part that surprises most people. Faking a number is not hard, and it does not even need fancy hacking tools.

When someone calls you, your phone network sends a tiny piece of information to your handset. This piece of information tells your phone what number to display. With modern internet phone systems, called VoIP, that piece of information can be edited before the call goes through.

Scammers use simple online tools or sign up to a VoIP provider that allows them to change their outgoing number. In a few clicks, their real number is hidden and your screen shows a fake one.

It is a bit like a letter arriving with the wrong return address on the envelope. The address looks real. The contents inside are anything but.

Why your phone cannot tell the difference

Your phone is not faulty. It is just trusting the information it is given. Most phones simply show the number that the network reports, with no way to tell if it has been tampered with.

UK regulator Ofcom and the major mobile networks are working together to fix this. In late 2025, providers including BT, EE, Vodafone, Virgin Media O2, Three, TalkTalk, Tesco Mobile, and Sky agreed to upgrade their systems to spot and block spoofed numbers at the network level. This is great progress, but the work is not finished. Plenty of scam calls still get through.

That is why your own habits matter just as much as the tech in the background.

Common signs of a neighbour spoofing call

Spoofed calls often share a few simple clues. Watch for these:

  • The number looks oddly familiar. It matches your area code or your own mobile prefix.
  • You do not recognise the actual person. The number feels close to home, but you have no idea who is on the line.
  • The caller knows little about you. A real local business or neighbour would have a clear reason to call. Scammers will fish for details.
  • They press for action. Urgent requests for money, codes, or personal data are a giant red flag.
  • The line drops if you ask questions. Genuine callers do not panic when you push back.

How to verify the real caller behind the number

If a call feels off, the safest move is to hang up and check. Here are five simple steps you can take in under a minute.

1. Do not call the number back from your call history

The number that just rang you may not be the real one. Calling it back can connect you to the scammer.

2. Find the official number yourself

If the caller claimed to be from your bank, look at the back of your card. For HMRC, the police, or another service, search the official website. Always type the address yourself rather than clicking links from texts.

3. Wait five minutes before you dial

Some scammers will keep the line open after you “hang up.” Waiting a few minutes makes sure the call has really ended before you place the next one.

4. Look the number up online

If you want to know whether a number has been reported before, run a quick search on the Nuisance Calls lookup tool. The community has often flagged the same number many times.

5. Report the call

Reporting helps everyone else. You can:

  • Forward scam texts to 7726 (this spells SPAM on a keypad).
  • Report scam calls to Action Fraud on 0300 123 2040.
  • Add the number to the Nuisance Calls community database so the next person sees a warning.

What to do if you have already answered a spoofed call

If you answered a call that turned out to be a scam, try not to panic. Most people who get one of these calls hang up before any harm is done.

Run through this short list:

  1. End the call straight away if you have not already.
  2. Do not press any keys, even to “remove yourself from the list.” That confirms your number is live.
  3. If you shared any details, contact your bank from the number on your card.
  4. Change any passwords you may have mentioned.
  5. Tell a family member or friend. A second pair of eyes can spot anything you missed.

How to stop spoofed calls reaching you

You can take a few quiet steps to reduce how often spoofed calls reach your phone:

  • Use silent unknown caller features. Both iPhone and Android phones have settings that send unknown numbers straight to voicemail.
  • Register with the Telephone Preference Service (TPS). It is free and signals to honest companies that you do not want cold calls.
  • Use a network level call filter. Phonely’s CallGuard blocks known scam numbers and many spoofed calls before your phone ever rings. There are no apps to set up and no fiddly settings.

For homes with older parents or anyone who picks up every call, this kind of protection can be a real comfort. The phone simply rings less, and the calls that do come through are far more likely to be the real thing.

The takeaway

Neighbour spoofing works because it preys on something good in us, the wish to be a helpful neighbour and answer the phone. Once you know the trick, you can answer with confidence.

Trust the voice, not the number on your screen. Hang up if anything feels rushed. And when in doubt, run the number through a quick lookup before you call back.

You can search any suspicious UK number on the Nuisance Calls lookup tool right now and see what others have reported. It only takes a few seconds, and it could save you a lot more than that.