Spam calls have become a persistent issue for UK residents, disrupting daily life and posing serious privacy risks. With advancements in call-blocking technology and better public awareness, many users have started reporting suspicious numbers to authorities and phone scam detection tools like WhoCalledMe, TrueCaller, Ofcom, TPS, and ICO. In this article, we’ll highlight the top reported spam phone numbers in the UK for 2025, helping you stay informed and protected.
Why It’s Important to Identify Spam Numbers
Identifying and reporting spam numbers is crucial for maintaining personal security, avoiding financial loss, and reducing the overall volume of unwanted calls. Scammers often use these numbers for various fraudulent activities, including phishing, financial scams, and identity theft. By being aware of these common spam numbers, you can better protect yourself and your loved ones.
Quick Overview of Top Spam Numbers (2025)
| Phone Number | Scam Type | Area Code | Risk Level | Common Complaints |
| 1738408739 | Phishing | 01738 | High | Fake banking alerts, tax scams |
| 1977788417 | Robocall | 01977 | Medium | Unsolicited offers, debt collection |
| 1274041023 | Tech Support | 01274 | High | Fake tech support, remote access scams |
| 1792722617 | Marketing | 01792 | Medium | Aggressive sales, insurance offers |
| 1618201220 | Financial | 01618 | High | Loan scams, investment fraud |
| 3316309046 | Identity Theft | 03316 | High | Personal data harvesting, fake surveys |
| 1918239030 | Scam Call | 01918 | Medium | Prize scams, fake government calls |
| 1388224992 | Utility Scam | 01388 | High | Fake energy supplier, overcharge alerts |
| 1204935816 | Survey Scam | 01204 | Medium | Fake surveys, personal info theft |
| 1438382070 | Debt Collection | 01438 | High | Aggressive debt recovery, legal threats |
Detailed Analysis of Each Number
1738408739 – Fake Banking Alerts and Tax Scams
This number, originating from the 01738 area, has been frequently reported for sending fake banking alerts and tax scam messages. Callers often impersonate bank representatives or tax officials, attempting to trick victims into revealing sensitive financial information. Always verify the source of such calls through official channels before responding.
1977788417 – Unsolicited Offers and Debt Collection Calls
This 01977 number is commonly used for robocalls offering debt relief or other financial services. Many recipients report aggressive and repetitive calls, often leading to harassment if the calls are not blocked or reported. Consider using a call-blocking service to minimize these disruptions.
1274041023 – Fake Tech Support Scams
Tech support scams are one of the most common types of phone fraud, and this 01274 number is a known offender. Scammers often claim to be from major tech companies like Microsoft or Apple, tricking users into granting remote access to their devices. Always verify tech support calls directly with your service provider.
1792722617 – Aggressive Marketing Calls
This 01792 number is known for aggressive marketing tactics, often targeting vulnerable individuals with unsolicited insurance offers or investment schemes. Be cautious when receiving calls from unknown numbers, and consider registering your number with the Telephone Preference Service (TPS) for added protection.
1618201220 – Financial Scams and Investment Fraud
Calls from this 01618 number have been associated with high-risk financial scams, including fake investment opportunities and loan offers. Victims often report significant financial losses. Use services like TrueCaller or WhoCalledMe to verify unknown numbers before engaging.
3316309046 – Identity Theft and Personal Data Scams
Scammers using this 03316 number often try to gather personal information under the guise of customer surveys or promotional offers. Be wary of calls asking for personal details, as this can lead to identity theft. Report suspicious activity to the ICO for further investigation.
1918239030 – Prize Scams and Fake Government Calls
This 01918 number is notorious for fake prize notifications and fraudulent government calls. Scammers may claim you’ve won a prize or need to pay a fine to avoid legal trouble. Never share payment or personal information over the phone unless you can verify the caller’s identity.
1388224992 – Fake Energy Supplier Scams
Calls from this 01388 number often claim to be from energy suppliers, warning of overcharges or offering too-good-to-be-true savings. Always verify such claims through your official energy provider before making any payments or sharing details.
1204935816 – Fake Survey and Personal Info Theft
This 01204 number is often associated with fake survey calls aimed at collecting personal data. Be cautious when answering survey calls, and avoid sharing sensitive information with unknown callers.
1438382070 – Aggressive Debt Recovery Scams
Finally, this 01438 number is commonly used by scammers posing as debt recovery agents, often using aggressive and threatening language. If you’re unsure about a debt, always verify the details with your original creditor before making any payments.
How to Block and Report These Numbers
Blocking and reporting these numbers can significantly reduce your risk of falling victim to scams. Use tools like TrueCaller, TPS, or WhoCalledMe to identify and block these calls. Additionally, report any suspicious numbers to the ICO or Ofcom to help protect others from similar scams.
Conclusion and Call to Action
Stay vigilant and proactive in identifying and blocking spam numbers. Protect your personal information and report suspicious calls to the proper authorities. Together, we can reduce the impact of phone scams and make communication safer for everyone.
