Spam and scam calls are a growing concern for millions of people in the UK. These unwanted calls can be both annoying and potentially dangerous, as they often involve fraudulent schemes designed to steal your personal information or money. In 2025, several phone numbers have been reported as particularly troublesome. In this article, we will highlight some of the most frequently reported spam phone numbers in the UK this year, providing you with the insights needed to stay safe and protect your privacy.
Why You Should Be Aware of Spam Calls
Spam calls are not just a nuisance – they can pose a real risk to your financial security and personal data. Scammers often use sophisticated tactics to trick you into revealing sensitive information, making it essential to recognize and block these numbers. Here are some common tactics used by phone scammers:
- Phishing for Personal Information – Attempting to collect sensitive details like bank account numbers or passwords.
- Tech Support Scams – Pretending to be technical support from well-known companies to gain access to your devices.
- Financial Fraud – Posing as bank representatives to trick you into transferring money.
- Fake Prize or Lottery Scams – Promising large cash prizes in exchange for an upfront fee or personal details.
- Threatening Calls – Using fear and intimidation to pressure victims into making payments.
Top 10 Most Reported Spam Numbers in the UK (2025)
Here is a list of the top reported spam phone numbers in the UK for 2025. These numbers have been flagged for aggressive marketing, scams, and fraudulent activities. Be cautious if you receive calls from any of these numbers:
| Phone Number | Possible Scam Type | Common Reports |
| 1887224460 | Phishing Scam | Fake bank calls, account verification scams |
| 2843729360 | Tech Support Scam | Claims of computer issues, remote access scams |
| 7520619034 | Financial Fraud | Loan offers, fake debt collections |
| 1615241776 | Threatening Calls | IRS or tax-related threats |
| 1743817282 | Fake Prize Scams | Lottery and prize winning claims |
| 1942901396 | Insurance Scams | Fake life insurance offers |
| 3301240404 | Investment Scams | High-risk investment offers |
| 3316303321 | Medical Scams | Fake medical insurance or services |
| 3333035419 | Refund Scams | Pretending to offer refunds for overpayments |
| 1615317256 | Impersonation Scams | Calls pretending to be from government agencies |
Understanding the Risks Behind These Numbers
1. 1887224460 – Phishing Scams
This number is frequently reported for phishing scams, where callers pose as bank representatives asking for account details or verification codes. These scammers often create a sense of urgency to trick you into sharing sensitive information.
2. 2843729360 – Tech Support Scams
Known for impersonating technical support agents, this number is often linked to scams claiming your computer has a virus or security issue. They may request remote access or payment for fake services.
3. 7520619034 – Financial Fraud
This number is commonly associated with financial scams, including fake debt collections or loan offers designed to steal your personal and financial data.
4. 1615241776 – Threatening Calls
Victims report receiving aggressive calls from this number, often involving tax or legal threats intended to scare individuals into making immediate payments.
5. 1743817282 – Fake Prize Scams
This number is linked to lottery and prize scams, where callers promise large cash winnings in exchange for upfront fees or personal information.
6. 1942901396 – Insurance Scams
Reports indicate this number is used in fake insurance scams, often targeting seniors with misleading offers for life insurance or health plans.
7. 3301240404 – Investment Scams
This number is known for promoting risky investments, often using high-pressure tactics to convince victims to invest large sums of money.
8. 3316303321 – Medical Scams
This number is associated with fake medical insurance or healthcare service scams, often targeting the elderly or vulnerable individuals.
9. 3333035419 – Refund Scams
Callers from this number often claim you are owed a refund for overpaid bills or services, asking for bank details to process the payment.
10. 1615317256 – Impersonation Scams
This number is frequently used for impersonation scams, where callers pretend to be from government agencies like HMRC or the police, demanding payments or personal information.
How to Protect Yourself from Spam Calls
Here are some effective ways to protect yourself from spam and scam calls:
- Register with the TPS – Use the UK’s Telephone Preference Service (TPS) to reduce unwanted calls.
- Use Call Blocking Apps – Install apps like TrueCaller or Hiya to block known spam numbers.
- Report to Ofcom and ICO – Report suspicious numbers to authorities like Ofcom or the Information Commissioner’s Office (ICO).
- Never Share Personal Information – Avoid sharing sensitive data over the phone.
- Use Call Screening Features – Many modern smartphones have built-in call screening to filter out spam.
Conclusion
Spam calls can be a major inconvenience and even a financial risk if you fall for the tactics used by scammers. Staying informed about the most frequently reported spam numbers in the UK, like the ones listed above, is one of the best ways to protect yourself and your loved ones. Remember to stay cautious, use call-blocking tools, and report suspicious numbers to the appropriate authorities.
If you’ve received calls from any of these numbers, consider blocking them and informing others to prevent further scams. Stay safe and stay aware!
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Discover the top reported spam phone numbers in the UK for 2025, including 1887224460, 2843729360, 7520619034, 1615241776, 1743817282, 1942901396, 3301240404, 3316303321, 3333035419, and 1615317256. Learn how to identify, block, and report these common scam numbers for better call security.
