The rise in spam and scam calls in the UK has made it more important than ever to stay vigilant about unknown numbers. Whether it’s a persistent telemarketer, a fraudulent scheme, or an aggressive debt collector, these calls can be disruptive and sometimes even dangerous. In this guide, we’ll highlight some of the top reported spam phone numbers in the UK for 2025, including insights into why they’re flagged, what people are saying, and how to protect yourself.
Quick Overview of Top Spam Numbers
| Phone Number | Location | Common Complaint Type | Call Frequency | User Ratings |
| 3316306615 | London | Scam, Financial Fraud | High | Negative |
| 1218231410 | Birmingham | Insurance, PPI Claims | Moderate | Negative |
| 2080582684 | London | Robocalls, Tech Support Scam | High | Negative |
| 7520615358 | Mobile | Aggressive Marketing | Moderate | Negative |
| 1283260467 | Mobile | Energy Supplier Scams | High | Negative |
| 3316309149 | London | Fake Surveys, Prize Scams | Moderate | Negative |
| 02080444164 | London | Debt Collection, Payment Demands | High | Negative |
| +44 20 3912 7474 | London | Phishing, Fake Government Calls | High | Negative |
| 02045722053 | London | Unsolicited Sales, Investment Scams | High | Negative |
| 0113 467 9062 | Leeds | Tech Support, Robocalls | Moderate | Negative |
Why Are These Numbers Flagged as Spam?
Most of the numbers listed above have been reported by users across platforms like TrueCaller, WhoCalledMe, and Ofcom for a variety of reasons, including persistent cold calls, aggressive sales tactics, and outright scams. These numbers often mask their true intentions with fake identities, making it crucial for consumers to stay alert.
3316306615 – London Fraud Alerts
This number has been flagged as a major source of financial fraud and scam attempts. Callers from this number often pose as bank representatives or government officials, attempting to extract sensitive financial information.
1218231410 – Birmingham PPI Scams
Commonly reported for persistent PPI claim calls, this number is known for trying to convince individuals they are owed compensation for old insurance policies. Users should be cautious when dealing with this number.
2080582684 – London Tech Support Scams
This number has been linked to fake tech support scams, often claiming that a user’s computer has been compromised. These scammers usually request remote access or payment for nonexistent issues.
7520615358 – Mobile Aggressive Marketing
Known for aggressive marketing tactics, this number has been associated with unsolicited sales calls. It’s a common source of annoyance for many mobile users.
1283260467 – Mobile Energy Supplier Scams
Reports indicate that this number targets individuals with false claims about energy savings, attempting to collect personal data under the guise of better utility rates.
3316309149 – London Fake Surveys
Callers from this number often claim to conduct surveys, only to later use the collected data for targeted scams. It’s a classic setup for future phishing attempts.
02080444164 – London Debt Collection Threats
Users report this number as being aggressive, often demanding immediate payments or threatening legal action for supposed unpaid debts.
+44 20 3912 7474 – London Government Impersonation
This number is known for fake calls pretending to be from government agencies, often demanding payments for tax or visa issues.
02045722053 – London Unsolicited Sales
Frequently reported for unsolicited investment and financial service pitches, this number is a known nuisance for many London residents.
0113 467 9062 – Leeds Robocalls and Tech Scams
This Leeds-based number has been reported for robocalls claiming to offer tech support or security services, often with the intent to extract personal information.
How to Protect Yourself from These Calls
- Register with the TPS – The Telephone Preference Service (TPS) can help reduce the number of unwanted sales calls.
- Use Call Blocking Apps – Install apps like TrueCaller or Hiya to automatically filter known spam numbers.
- Report Suspicious Calls – Use platforms like WhoCalledMe and Ofcom to report and check unknown numbers.
- Never Share Personal Details – Be cautious about sharing personal or financial information over the phone.
- Stay Informed – Regularly check for updates on known scam numbers to stay ahead.
Conclusion
Spam calls are a growing nuisance in the UK, but with the right precautions, you can avoid falling victim to these scams. Stay alert, stay protected, and always verify unknown numbers before engaging. If you’ve received a call from any of the numbers listed above, consider reporting it to the relevant authorities to help others stay safe.
Frequently Asked Questions (FAQs)
- How can I block spam calls in the UK? – Use call blocking apps like TrueCaller or register with the TPS.
- What should I do if I receive a call from one of these numbers? – Avoid answering or block the number immediately.
- Are all calls from these numbers scams? – Not necessarily, but many have been reported as scams or aggressive telemarketers.
- How can I report a suspicious number? – Use platforms like Ofcom or WhoCalledMe.
- Can these calls be dangerous? – Yes, some scams can lead to financial loss or data theft if you share sensitive information.
Stay safe and keep your phone secure!
Meta Description:
Discover the top reported spam phone numbers in the UK for 2025, including 3316306615, 1218231410, 2080582684, 7520615358, 1283260467, 3316309149, 02080444164, +44 20 3912 7474, 02045722053, and 0113 467 9062. Learn how to block and report these numbers for safer calls.
