As the digital landscape continues to evolve, so do the tactics employed by scammers and telemarketers. One of the most common nuisances for individuals in the UK, and worldwide, is spam calls. These unsolicited phone calls can be highly intrusive, frustrating, and sometimes even harmful. The phone numbers associated with spam calls can often appear legitimate, adding to the challenge of identifying them. In this article, we will discuss the top reported spam phone numbers in the UK for 2025, analyzing each number and explaining why they are flagged as spam. We will also look at how to protect yourself from these unwanted calls.
Table of Contents
- Overview of Spam Calls in the UK
- Top Reported Spam Numbers in the UK for 2025
- Detailed Analysis of the Spam Numbers
- 02034815524
- 020 8163 6616
- 01625801456
- 0141 310 9863
- 01482293847
- +44 161 531 2889
- 07418368807
- 02039940750
- 020 3871 3395
- 01623205017
- 02034815524
- How to Protect Yourself from Spam Calls
- Conclusion
Overview of Spam Calls in the UK
Spam calls have become a significant concern for individuals in the UK. With the rise of technology, scammers and telemarketers have found increasingly sophisticated ways to bypass security measures and reach consumers. These calls can be anything from robocalls offering fake financial services, to fraudsters attempting to steal personal information, or even aggressive salespeople pushing unwanted products.
In recent years, the UK government and telecommunications companies have been actively working on strategies to block or limit spam calls. However, despite these efforts, spam calls remain a common issue, with many people experiencing multiple calls daily from unknown or suspicious numbers.
As of 2025, the trend continues, and certain numbers have emerged as particularly notorious for being associated with spam activity. Below, we’ll review the top reported spam phone numbers in the UK.
Top Reported Spam Numbers in the UK for 2025
Here’s a list of the most commonly reported spam phone numbers in the UK in 2025. These numbers have been flagged due to high volumes of complaints, fraudulent activities, or aggressive marketing tactics.
| Phone Number | Type of Spam | Region/Location |
| 02034815524 | Robocall, Scam | London |
| 020 8163 6616 | Telemarketing | London |
| 01625801456 | Fraudulent Offer | Lancashire |
| 0141 310 9863 | Financial Scam | Glasgow |
| 01482293847 | Loan Scam | Hull |
| +44 161 531 2889 | Survey Scam | Manchester |
| 07418368807 | PPI (Payment Protection Insurance) Claim Scam | Mobile |
| 02039940750 | Fake Debt Collection | London |
| 020 3871 3395 | Insurance Scam | London |
| 01623205017 | Investment Scam | Nottinghamshire |
Detailed Analysis of the Spam Numbers
02034815524
This number has been reported numerous times for being linked to robocalls offering various financial services, including payday loans and debt relief. Many users have described receiving repeated calls from this number, despite not having expressed any interest in these services.
The callers typically use automated scripts and often claim to represent legitimate financial institutions. It’s advisable to block this number and report it to the Information Commissioner’s Office (ICO).
020 8163 6616
Another persistent number in the spam category, 020 8163 6616 has been flagged for telemarketing purposes. Callers using this number usually offer free trials for services such as home security systems, internet plans, or insurance. However, these services are often bundled with hidden fees and unexpected charges. Users are advised to refrain from providing any personal information or making any commitments over the phone.
01625801456
This number is frequently associated with fraudulent offers, particularly those related to investments and high-return financial schemes. The callers often target elderly individuals or people in financial distress with promises of quick financial returns. Unfortunately, these offers are generally scams designed to steal money from unsuspecting victims.
0141 310 9863
A common number associated with financial scams, 0141 310 9863 typically calls individuals claiming to offer lucrative deals on personal loans or credit cards. Scammers using this number often ask for upfront fees, which is a clear red flag for fraud. Many victims report that the caller is very persuasive, making it easy to fall for the scam. Always be cautious when giving out any financial details over the phone.
01482293847
Commonly linked to loan scams, this number frequently calls people offering fake loans with terms that seem too good to be true. The scammers usually request sensitive personal information, such as bank account details or identification numbers, which can be used for identity theft. If you receive a call from this number, hang up immediately.
+44 161 531 2889
This number is commonly reported for fraudulent surveys that claim to offer prizes, gift cards, or discounts. These surveys are typically designed to collect personal information or charge for participation. If you receive a call from this number, do not engage with the survey or provide any personal information.
07418368807
Known for its association with Payment Protection Insurance (PPI) claim scams, this mobile number is often used by scammers who claim to help individuals reclaim PPI payments. While there are legitimate services that assist with PPI claims, many scammers exploit this to steal money from consumers by charging high fees for services that can be done for free.
02039940750
This number has been reported for impersonating a debt collection agency. Callers using this number often attempt to pressure individuals into paying non-existent debts or even demand money for debts they have no obligation to pay. It is crucial to verify any debt-related calls before making payments.
020 3871 3395
Another number linked to fraudulent insurance schemes, callers using this number often promise cheap insurance policies or discounts on existing insurance plans. However, the policies are often fake, and the callers may ask for personal information or even direct payments for a non-existent policy. Always verify insurance offers independently.
01623205017
This number is frequently associated with investment scams. Callers offer high-risk, high-return investment opportunities that are often impossible to achieve. The goal of the scam is to encourage individuals to part with their money under the guise of lucrative opportunities. It’s crucial to be cautious of unsolicited investment offers.
How to Protect Yourself from Spam Calls
Check Recent Spamming Numbers:
0113 467 9062 : : 02045722053: : +44 20 3912 7474: : 02080444164: : 3316309149
There are several strategies you can adopt to protect yourself from spam calls:
- Use Call Blocking Apps: There are various apps available that can help block spam calls. Some of these apps identify suspicious numbers and automatically block them, while others provide you with the ability to manually block numbers.
- Register with the Telephone Preference Service (TPS): By registering with the TPS, you can reduce the number of unsolicited marketing calls you receive. This service is free and is the UK’s official register for individuals who do not want to receive unsolicited calls.
- Don’t Answer Unknown Numbers: If you don’t recognize the number, it’s often best to let it go to voicemail. Legitimate callers will leave a message, while scammers tend to hang up if they don’t reach a person.
- Report Spam Calls: Reporting spam calls to authorities such as the ICO or your telecom provider can help them track and take action against spammers.
- Don’t Share Personal Information: Never share sensitive personal or financial information over the phone unless you are sure of the identity of the caller. Be cautious of unsolicited calls requesting such details.
Conclusion
Spam calls are a significant nuisance in the UK, and they can sometimes lead to serious financial and personal consequences. The numbers listed above are among the top reported spam numbers for 2025, and it’s essential for individuals to remain vigilant when answering calls from unfamiliar numbers. By using available tools, reporting suspicious numbers, and exercising caution, you can reduce your chances of falling victim to these scams.
Ultimately, staying informed and being proactive in protecting your personal information are key steps in preventing the negative impacts of spam calls.
