Top Reported Spam Phone Numbers in UK (2025)

Unwanted spam calls continue to be a persistent issue for UK residents in 2025. Despite the efforts of regulatory bodies like Ofcom and TPS (Telephone Preference Service) to reduce nuisance calls, some numbers repeatedly surface as major sources of frustration for the public. In this article, we will explore the top reported spam phone numbers in the UK this year, discuss their common tactics, and provide guidance on how to block and report these unwanted calls effectively.

 Why Are Spam Calls a Growing Concern?

Spam calls have become a widespread issue, impacting millions of people daily. These calls can range from harmless telemarketing pitches to more sinister scams designed to steal personal information or defraud individuals. The rise in automated calling technology and number spoofing has only made this problem worse, allowing scammers to operate at scale with minimal cost.

 Top Reported Spam Phone Numbers in the UK (2025)

Below is a table listing some of the most frequently reported spam phone numbers in the UK for 2025. These numbers have been flagged by users for a variety of reasons, including aggressive marketing, fraudulent schemes, and relentless robocalls.

Detailed Overview of Each Number

2080589329 – Energy Bill Scam

This number is known for aggressive sales tactics, pressuring victims into switching energy providers with promises of lower bills. In many cases, the deals are either completely fake or come with hidden charges, trapping customers in expensive contracts.

1964271004 – Debt Collection Scam

Callers from this number often pose as debt collectors, threatening legal action over unpaid ‘debts’ that don’t actually exist. They often use intimidating language to pressure victims into making immediate payments.

2046195786 – HMRC Tax Scam

Perhaps one of the most notorious types, this scam involves callers pretending to be from HMRC, threatening immediate arrest or legal action if the victim doesn’t pay a supposed tax debt. This tactic preys on fear and urgency.

1202022910 – Fake Tech Support

This number is known for tech support scams, where the caller claims to be from Microsoft or another major tech company, insisting that your device is infected and demanding remote access or payment for a ‘fix.’

3316307343 – Financial Fraud

Scammers using this number often pitch fake investment opportunities, promising high returns with minimal risk, only to vanish once the victim has invested their money.

2033410108 – Phishing Attempt

This number is associated with phishing scams where callers ask for sensitive information under the pretense of updating account details or verifying identities.

3303413752 – Insurance Scam

These callers push fake or overly expensive life insurance policies, often targeting older adults or those concerned about financial security.

1202158180 – Prize Scam

This number is commonly used for prize scams, where the victim is told they’ve won a lottery or prize but must pay a ‘processing fee’ to claim their winnings.

1204891727 – Debt Relief Scam

Scammers here claim to offer government-backed debt relief, preying on those in financial distress with promises of eliminating debt quickly.

2034752480 – Cryptocurrency Scam

This number is notorious for pushing risky cryptocurrency investments, often targeting those with little experience in the market.

 How to Protect Yourself from Spam Calls

• Register with TPS: Ensure your number is listed on the Telephone Preference Service (TPS) to reduce unwanted marketing calls.
• Use Call-Blocking Apps: Use apps like TrueCaller, Hiya, or RoboKiller to identify and block known spam numbers.
• Report to Ofcom and ICO: Report persistent scam numbers to Ofcom or the Information Commissioner’s Office (ICO) to help shut them down.
• Be Skeptical of Unsolicited Calls: Never share personal or financial information over the phone unless you are certain of the caller’s identity.
• Hang Up and Verify: If in doubt, hang up and call the official number of the organization they claim to represent.

 Final Thoughts

Staying vigilant and proactive can significantly reduce the risk of falling victim to these scams. By being aware of the tactics used by these callers and taking steps to protect your personal information, you can avoid unnecessary financial loss and stress.

 Frequently Asked Questions

1. How can I stop spam calls permanently? – Register with TPS and use call-blocking apps.
2. What should I do if I receive a scam call? – Hang up, report the number, and block it.
3. Can these scammers access my bank account? – Not directly, but they can trick you into revealing sensitive information.
4. Why do I still get spam calls if I’m on the TPS list? – Some scammers ignore TPS regulations or use overseas call centers.
5. Should I report every spam call? – Yes, reporting helps regulators take action against these numbers.

Stay safe and informed in 2025 by staying one step ahead of these phone scammers.

Meta

“Explore the top reported spam phone numbers in the UK for 2025, including 2080589329, 1964271004, 2046195786, 1202022910, 3316307343, 2033410108, 3303413752, 1202158180, 1204891727, and 2034752480. Learn about common scams such as energy fraud, debt collection, tech support, and cryptocurrency scams, and discover how to block and report these numbers with tools like TrueCaller, WhoCalledMe, and TPS.”