Top Reported Spam Phone Numbers in the UK (2025)

Spam calls remain a significant nuisance for many in the UK, disrupting daily life and potentially leading to financial loss. In 2025, certain phone numbers have emerged as some of the most frequently reported for suspicious, fraudulent, or unwanted activity. Below, we highlight the top reported spam numbers in the UK this year, along with practical advice on how to handle them.

Why Are These Numbers a Concern?

Spam and scam calls can range from harmless marketing attempts to dangerous phishing scams aimed at stealing your personal and financial information. Identifying these numbers early can help you avoid falling into their traps and reduce the risks of financial or identity theft.

Top 10 Reported Spam Numbers in the UK (2025)

In-Depth Look at Each Number

1. 2039301824 – Fake HMRC Call

This number is widely reported for pretending to be from HMRC, often using automated messages that threaten legal action if supposed unpaid taxes aren’t settled immediately. These calls are particularly concerning as they target vulnerable individuals with aggressive tactics, attempting to pressure them into providing sensitive financial information.

2. 1615263553 – Energy Scheme Fraud

This Manchester-based number is commonly associated with energy scam calls. Fraudsters posing as representatives of well-known energy companies offer fake discounts or schemes, aiming to steal your personal data or even bank details.

3. 1792722689 – Insurance Scam

Frequently reported as a persistent caller, this number typically targets individuals with fake insurance offers or false accident claims, trying to extract personal details under the guise of providing compensation.

4. 2045876705 – Tech Support Scam

Originating from Northern Ireland, this number is linked to tech support scams. Scammers claim your computer has a virus and attempt to gain remote access or steal sensitive information, potentially installing malware.

5. 1273036584 – Fake Bank Call

This Somerset-based number is associated with fake banking calls, attempting to trick victims into revealing sensitive financial details, like account numbers and passwords, under the pretense of securing their funds.

6. 3301240997 – PPI Claims

Scammers using this number often lure victims with false promises of PPI compensation. These calls can be persistent and misleading, pushing people to share their financial information.

7. 1413109863 – Investment Fraud

This Glasgow number is linked to high-pressure sales tactics, encouraging victims to invest in questionable or non-existent financial schemes, often resulting in significant financial loss.

8. 2038960345 – Courier Scam

A common ploy from this London number involves fake delivery fee demands, tricking victims into sharing payment details for supposed undelivered parcels.

9. 1544329840 – Lottery Scam

This number is notorious for fake lottery winning claims, attempting to deceive victims into paying processing fees or sharing sensitive details to claim their ‘prize.’

10. 7714135818 – Text Message Scam

Unlike the others, this mobile number is often used in SMS phishing, or ‘smishing,’ where fraudsters try to steal personal data through fake links in text messages.

How to Protect Yourself from Spam Calls

• Register with TPS – Sign up with the Telephone Preference Service to reduce unwanted marketing calls.
• Use Call Blocking Apps – Apps like TrueCaller and WhoCalledMe can help identify and block known spam numbers.
• Report to Ofcom and ICO – If you receive a suspicious call, report it to the relevant authorities to help others avoid similar scams.
• Never Share Personal Info – Avoid sharing sensitive information over the phone unless you are absolutely sure of the caller’s identity.
• Stay Informed – Keep up to date with the latest scam tactics to stay one step ahead of fraudsters.

Conclusion

Spam calls are a persistent issue, but with the right precautions, you can reduce your risk. Stay vigilant, use reliable call-blocking tools, and always report suspicious activity. By spreading awareness, we can collectively make it harder for scammers to exploit innocent victims.

FAQs

1. Can I block these numbers permanently?
   Yes, most smartphones allow you to block specific numbers permanently through the settings or with third-party apps.
2. Are these numbers always scammers?
   Not necessarily, but they are frequently reported for suspicious activity, making caution essential.
3. What should I do if I accidentally share my information?
   Contact your bank immediately and consider changing your passwords or freezing your accounts.
4. How can I verify a legitimate call?
   Always verify by calling the company back using their official number, not the one that contacted you.
5. Why do scammers use UK numbers?
   UK numbers add a layer of credibility, making the scam seem more authentic to local residents.

Meta Description:
Discover the top reported spam phone numbers in the UK for 2025, including 2039301824, 1615263553, 1792722689, 2045876705, 1273036584, 3301240997, 1413109863, 2038960345, 1544329840, and 7714135818. Learn how to identify, block, and report these nuisance calls to protect yourself from scams.