Top Reported Spam Phone Numbers in the UK (2025)

In 2025, the volume of spam and scam calls in the UK has reached unprecedented levels, making it more important than ever to stay vigilant and informed. These nuisance calls range from automated messages to aggressive sales tactics, often targeting vulnerable individuals. Understanding the most reported spam numbers can help you recognize potential scams and avoid falling victim to them.

Below, we cover some of the top reported spam phone numbers in the UK for 2025, including insights into their typical tactics and tips on how to handle these calls.

Quick Overview of the Most Reported Spam Numbers

Phone Number	Common Issue	Caller Type	Risk Level	Reports
02080587791	Debt Collection Scams	Aggressive Debt Recovery	High	Frequent
01916968300	Energy Bill Fraud	Utility Scam	Medium	Rising
02080448944	HMRC Tax Scams	Tax Fraud	High	Common
03316306277	Insurance Scams	Fake Insurance Claims	High	Frequent
03316306599	Banking Scams	Financial Fraud	High	High
02882480140	Automated Robot Calls	Telemarketing	Medium	Moderate
02039127474	Tech Support Scams	Fake IT Support	High	Frequent
01656337649	Survey and Prize Scams	False Prizes	Medium	Moderate
01544329845	Compensation Claims	Personal Injury Claims	Medium	Moderate
03330038533	Fake Legal Threats	Impersonation	High	High

Detailed Breakdown of the Top Spam Numbers

1. 02080587791 – Debt Collection Scams

This number is commonly associated with aggressive debt recovery scams. Callers may claim you owe a large debt and threaten legal action if you do not pay immediately. These scammers often target people struggling with financial difficulties, hoping to exploit their fears. Always verify the legitimacy of the debt before making any payments.

2. 01916968300 – Energy Bill Fraud

Scammers using this number often pose as energy suppliers, offering significant discounts or refunds on utility bills. They may attempt to collect personal or financial information under the guise of saving you money. Be cautious and confirm with your energy provider directly before sharing any details.

3. 02080448944 – HMRC Tax Scams

This number is frequently linked to fake tax rebate or unpaid tax threats. Callers often pressure victims into paying immediately to avoid arrest or severe financial penalties. Remember, HMRC never contacts you this way, so hang up and report the call immediately.

4. 03316306277 – Insurance Scams

Many reports indicate that this number is used for fake insurance claims. Callers may promise compensation for past accidents or claim you have unpaid premiums. Avoid sharing any personal details and verify with your actual insurer.

5. 03316306599 – Banking Scams

This number is known for sophisticated banking scams, including fake security alerts and fraudulent transaction notifications. Always contact your bank using the official number from their website if you suspect a scam.

6. 02882480140 – Automated Robot Calls

Automated calls from this number are typically promotional or spam messages. These can range from fake product offers to questionable investment opportunities. It’s best to ignore these calls and block the number.

7. 02039127474 – Tech Support Scams

Scammers using this number often pose as IT support representatives, claiming your computer has been compromised. They may ask for remote access or payment for unnecessary software. Hang up and secure your device if you receive such a call.

8. 01656337649 – Survey and Prize Scams

This number is often linked to fake prize offers or survey scams. Callers may try to extract personal information by promising cash rewards or holiday packages. Remember, if it sounds too good to be true, it probably is.

9. 01544329845 – Compensation Claims

Scammers using this number often target recent accident victims or those who have filed insurance claims. They may pressure you into providing sensitive information under the pretext of compensation. Be cautious and verify the caller’s identity.

10. 03330038533 – Fake Legal Threats

This number is frequently reported for making fake legal threats, including claims of pending lawsuits or criminal charges. These calls are designed to create fear and urgency. Avoid engaging and report the number to the relevant authorities.

How to Protect Yourself from Spam Calls

To avoid falling victim to these common scams, consider these tips:

Use call-blocking apps like Truecaller or WhoCalledMe to filter spam.
Register with the Telephone Preference Service (TPS) to reduce unwanted calls.
Report suspicious numbers to Ofcom or the Information Commissioner’s Office (ICO).
Never share personal or financial information over the phone.

Conclusion

Staying aware of the most reported spam numbers in the UK is essential in 2025. As scammers become more sophisticated, being informed is your best defense. Share this list with friends and family to help them stay safe and vigilant.

Frequently Asked Questions (FAQs)

Q1: How can I block spam calls in the UK?
A: Use apps like Truecaller, register with the TPS, or block numbers manually through your phone settings.

Q2: What should I do if I receive a threatening call?
A: Stay calm, hang up, and report the number to the ICO or Ofcom.

Q3: Are all unknown numbers spam?
A: No, but it’s always wise to be cautious, especially if the caller demands personal or financial information.

Q4: Can I take legal action against spam callers?
A: Yes, you can report persistent spam callers to Ofcom or the ICO for potential action.

Q5: How do I verify if a call is legitimate?
A: Cross-check the number with your service provider or use services like WhoCalledMe to confirm legitimacy.