Spam calls continue to be a significant concern in the UK, with millions of consumers receiving unwanted and often fraudulent calls every year. These calls can range from harmless marketing attempts to more malicious scams targeting sensitive personal and financial information. In this article, we will look at the top reported spam phone numbers in the UK for 2025, providing insights into their common tactics and how you can protect yourself from falling victim to these scams.
Why Are Spam Calls a Problem?
Spam calls are not just a nuisance; they can also pose significant security risks. Scammers often use sophisticated techniques to trick people into revealing personal information or making payments under false pretenses. In the UK, organizations like Ofcom, the Telephone Preference Service (TPS), and the Information Commissioner’s Office (ICO) are working hard to combat these fraudulent activities, but staying informed remains one of the best defenses for consumers.
Quick Overview of Top Spam Numbers
Below is a quick reference table for the most reported spam numbers in the UK this year, along with the nature of the calls and common complaints associated with each number:
| Phone Number | Location | Common Complaint | Nature of Calls |
| 07418374634 | Mobile | Insurance scams | Aggressive selling, phishing attempts |
| 02032686663 | London | HMRC scams | Fake tax messages, payment requests |
| 0151 317 8500 | Liverpool | Energy savings | Unsolicited offers, pressure tactics |
| 02080906677 | London | Loan scams | Financial fraud, identity theft risks |
| 02038976533 | London | Tech support | Fake support, malware installation attempts |
| 0161 884 3145 | Manchester | Debt recovery | Persistent calls, aggressive language |
| 02039616447 | London | Investment fraud | High-risk investments, crypto scams |
| 01915433407 | Sunderland | PPI claims | Mis-sold PPI compensation scams |
| 01792722635 | Swansea | Travel scams | Fake holiday offers, prize notifications |
| 01223609721 | Cambridge | Survey calls | Unwanted marketing, data harvesting |
Detailed Analysis of Top Spam Numbers
07418374634 – Mobile Insurance Scams
This number is often reported for insurance-related scams. Callers usually claim to offer low-cost insurance plans but end up trying to collect sensitive information or charge hidden fees. It’s advisable to block this number and report it to TPS or your network provider.
02032686663 – HMRC Tax Scams
One of the most notorious numbers in the UK, this line is frequently associated with fake HMRC messages. Scammers often claim that you owe unpaid taxes and threaten legal action if you do not pay immediately. Remember, HMRC will never contact you this way.
0151 317 8500 – Energy Savings Push
This number targets consumers with unsolicited offers to save on their energy bills. Many people report high-pressure tactics and misleading claims about potential savings, making it a clear red flag for potential scams.
02080906677 – Loan and Financial Fraud
Scammers using this number often pose as financial advisors, offering quick loans or debt relief. They may request personal financial details, putting you at risk of identity theft.
02038976533 – Fake Tech Support
Beware of this number, as it is known for tech support scams. Callers may pretend to be from major tech companies, claiming your computer is at risk to trick you into installing malware.
0161 884 3145 – Debt Collection Scams
This Manchester-based number is known for aggressive debt collection tactics, often targeting vulnerable individuals with intimidating language to force payments.
02039616447 – High-Risk Investment Scams
Calls from this number typically involve high-pressure sales tactics, encouraging you to invest in dubious financial schemes or cryptocurrencies.
01915433407 – PPI Compensation Fraud
Despite the official PPI deadline having passed, this number continues to target consumers, promising compensation for mis-sold PPI policies.
01792722635 – Travel and Holiday Scams
This Swansea number often features in reports related to fake holiday offers or prize notifications that require upfront payments to claim.
01223609721 – Unwanted Survey Calls
Known for unsolicited survey calls, this Cambridge number often collects personal information for marketing purposes, potentially leading to further spam.
How to Protect Yourself from Spam Calls
- Register with TPS: This free service helps reduce unsolicited marketing calls.
- Use Call-Blocking Apps: Tools like TrueCaller can identify and block known spam numbers.
- Report the Numbers: Use Ofcom’s complaint service or the ICO to report persistent scammers.
- Ignore Unknown Numbers: If you don’t recognize the number, let it go to voicemail.
- Be Skeptical: Always verify the legitimacy of unexpected calls, especially those asking for personal or financial information.
Final Thoughts
Staying vigilant is the best way to avoid falling victim to these scams. By being aware of the most commonly reported numbers and understanding the tactics used, you can significantly reduce the risk of becoming a target. Make sure to spread the word to friends and family to keep them safe as well.
Frequently Asked Questions (FAQs)
1. How can I report a spam number in the UK? You can report spam numbers to TPS, Ofcom, or the ICO for further action.
2. Are all unknown numbers dangerous? No, but it’s wise to be cautious and verify the caller’s identity before sharing any information.
3. How do scammers get my number? Scammers often use automated systems to generate numbers or buy lists from data brokers.
4. What should I do if I accidentally share my details? Contact your bank immediately and consider changing your passwords.
5. Can I block spam numbers permanently? Yes, most smartphones and call-blocking apps can block numbers permanently.
Meta Description:
Discover the top reported spam phone numbers in the UK for 2025, including 07418374634, 02032686663, 0151 317 8500, 02080906677, 02038976533, 0161 884 3145, 02039616447, 01915433407, 01792722635, and 01223609721. Learn how to identify scams and protect yourself.
