
Spam calls remain a significant nuisance for phone users across the UK, often interrupting daily life and potentially leading to scams or unwanted services. In 2025, several numbers have emerged as particularly problematic, drawing numerous complaints for their persistent and often deceptive tactics. This article highlights the top reported spam numbers in the UK for 2025, offering insights into the nature of these calls, common tactics used, and tips for protecting yourself.
Why Spam Calls Are on the Rise in 2025
Spam calls have seen a sharp rise in recent years, driven by advancements in automated calling technology and the use of cheap, often untraceable VoIP numbers. Scammers and telemarketers exploit these technologies to reach thousands of potential victims daily. Understanding the common tactics and identifying spam numbers can help you stay one step ahead of these unwanted callers.
Top Reported Spam Phone Numbers in the UK (2025)
Phone Number | Common Issues | Call Type | Reported Locations |
2039301824 | Fake insurance offers, payment scams | Fraud, Scam | London, South East |
1615263553 | Debt collection scams, phishing | Debt, Scam | Manchester, North West |
1792722689 | HMRC tax fraud, aggressive calls | Fraud, Government Scam | Bath, South West |
2045876705 | Tech support scam, malware links | Tech Scam | Cardiff, Wales |
1273036584 | Unsolicited sales, fake lottery | Telemarketing, Scam | Exeter, South West |
3301240997 | Health insurance scam, spoofed ID | Insurance Scam | Liverpool, North West |
1413109863 | Investment fraud, high-pressure sales | Financial Scam | Glasgow, Scotland |
2038960345 | Fake charity requests, donation scams | Charity Scam | London, South East |
1544329840 | Prize scams, lottery fraud | Lottery Scam | Ipswich, East of England |
7714135818 | WhatsApp verification, SIM swap | Mobile Fraud | Birmingham, West Midlands |
Detailed Breakdown of Top Spam Numbers
2039301824 – Fake Insurance Offers
This London-based number is frequently reported for cold calls related to fake insurance offers. Many users have complained about aggressive tactics, including false claims about lapsed insurance and urgent payment demands. If you receive a call from this number, it’s best to ignore it or block it immediately.
1615263553 – Debt Collection Scams
Commonly reported in Manchester, this number is known for pretending to be a debt collection agency. Callers often use scare tactics to pressure victims into sharing sensitive financial information. Always verify the legitimacy of any debt collection call before responding.
1792722689 – HMRC Tax Fraud Alerts
Scammers using this Bath-based number often impersonate HMRC officials, threatening legal action over unpaid taxes. These calls are typically automated and designed to create a sense of urgency. Remember, HMRC never contacts people in this manner for outstanding payments.
2045876705 – Tech Support Scams
Linked to Cardiff, this number is often associated with fake tech support scams. Callers might claim that your computer has been compromised and attempt to gain remote access to your device. Never share your device credentials or financial details with unsolicited callers.
1273036584 – Unsolicited Sales and Lottery Scams
This Exeter-based number is known for aggressive sales tactics, often involving dubious lottery schemes or fake prize offers. If a deal sounds too good to be true, it probably is.
3301240997 – Health Insurance Scams
Many reports indicate that this Liverpool number targets individuals with fake health insurance policies. Callers often use spoofed numbers to appear more trustworthy. Use caller ID and blocking tools to avoid these scams.
1413109863 – High-Pressure Investment Fraud
Reported primarily in Glasgow, this number is associated with aggressive investment pitches. Be cautious about any investment opportunity that seems overly urgent or promises high returns with little risk.
2038960345 – Fake Charity Donation Requests
This London number is known for soliciting fake charity donations, preying on the goodwill of unsuspecting individuals. Always research charities before donating.
1544329840 – Prize and Lottery Scams
Ipswich residents frequently report this number for fake prize winnings and lottery scams. Remember, legitimate lotteries never ask for upfront payments to claim a prize.
7714135818 – WhatsApp Verification and SIM Swap Scams
This Birmingham-based mobile number is notorious for SIM swap and WhatsApp verification scams. Protect your account with two-factor authentication and never share verification codes.
Protect Yourself from Spam Calls
- Use call blocking apps like TrueCaller or WhoCalledMe.
- Register your number with the Telephone Preference Service (TPS) to reduce unwanted calls.
- Report suspicious numbers to Ofcom or the Information Commissioner’s Office (ICO).
- Avoid sharing personal information over the phone.
- Use voicemail to screen unknown callers.
Conclusion
Spam calls can be frustrating, but by staying informed and cautious, you can protect yourself from common scams and unwanted contacts. Use the tools and resources mentioned in this article to minimize the impact of these calls and maintain your privacy.
Frequently Asked Questions
- How can I block spam calls in the UK?
Use apps like TrueCaller, register with TPS, and report suspicious numbers. - Are all unsolicited calls scams?
Not necessarily, but it’s best to be cautious and verify before sharing any details. - What should I do if I fall for a phone scam?
Contact your bank, change your passwords, and report the incident to Action Fraud. - Can scammers spoof legitimate numbers?
Yes, scammers often use number spoofing to appear more trustworthy. - How can I verify if a charity is legitimate?
Check with the Charity Commission or use online resources like Charity Navigator.
Stay safe and stay informed to keep your personal information secure.
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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 and block these nuisance calls, stay protected from scams, and safeguard your privacy.