Spam phone calls remain a persistent problem for mobile phone users in the UK, with thousands of people reporting unwanted calls every day. These calls often come from automated systems, scammers, or telemarketers trying to either sell services, collect personal information, or perpetrate fraud. The problem is compounded by the growing sophistication of scammers who employ various tactics to make their numbers appear legitimate, such as spoofing official-looking phone numbers.
In this article, we’ll look at the top reported spam phone numbers in the UK in 2025. These numbers are being frequently flagged by consumers and the UK’s regulatory bodies like Ofcom and Action Fraud. We will examine each number in detail, provide information on what kind of scams are associated with them, and explore how consumers can protect themselves.
Table of Contents
- Introduction
- Overview of Spam Calls
- Top Reported Spam Numbers
- 07418374634
- 02032686663
- 0151 317 8500
- 02080906677
- 02038976533
- 0161 884 3145
- 02039616447
- 01915433407
- 01792722635
- 01223609721
- 07418374634
- How to Protect Yourself from Spam Calls
- Conclusion
Introduction
Spam phone calls have been a major nuisance for many in the UK for years. With new technologies and strategies being developed by scammers, it has become increasingly difficult for the average consumer to discern legitimate calls from fraudulent ones. The numbers listed in this article have been repeatedly reported by users across the UK as being linked to various spam and scam activities. These include phishing, automated robocalls, unsolicited marketing, and more.
For individuals who receive these calls, the uncertainty and stress can become overwhelming. Moreover, many of these calls attempt to trick the user into revealing sensitive information or making unnecessary payments. It’s essential to be aware of these numbers to avoid falling victim to scams.
Overview of Spam Calls
Spam calls are unsolicited phone calls that typically come from telemarketers, scammers, or automated systems. The calls can be related to a variety of activities, including but not limited to:
- Phishing Scams: Scammers impersonate legitimate companies to trick individuals into sharing personal or financial information.
- Debt Collection Scams: Fraudsters claiming to be from debt collection agencies in an attempt to collect money that is not owed.
- Tech Support Scams: Fraudsters claim to be from well-known tech companies, telling the victim that their computer has been compromised and asking for remote access to fix it.
- PPI Claims: A common scam related to mis-sold Payment Protection Insurance (PPI).
- Investment Scams: Calls offering fake investment opportunities or high returns that are actually a scam.
Spam calls can often come from familiar looking numbers, or even local area codes, making it difficult for individuals to trust their instincts when answering calls. Therefore, it is critical to be vigilant and cautious when receiving unsolicited calls.
Top Reported Spam Numbers
Check Recent Spamming Numbers:
03316301300: : 01412488234: : 01482680397: : 07418374159: : 03316306599
Below is a list of some of the most frequently reported spam numbers in the UK in 2025, along with a brief description of the nature of the scams associated with each one.
| Phone Number | Location/Area | Type of Scam | Reported Issues |
| 07418374634 | Mobile (Unknown) | Phishing, PPI Claims | Attempts to trick people into revealing sensitive information. |
| 02032686663 | London | Robocall, Debt Collection | Automated robocalls for debt collection or fake legal threats. |
| 0151 317 8500 | Liverpool | Loan or Financial Scam | Fake loan offers or credit-related scams. |
| 02080906677 | London | Tech Support Scam | Claims that your computer is infected, requesting payment for services. |
| 02038976533 | London | PPI or Compensation Scam | Claims related to PPI compensation. |
| 0161 884 3145 | Manchester | Investment Scam | Fake investment opportunities offering high returns. |
| 02039616447 | London | Health Insurance Scam | Fraudulent health insurance offers or similar services. |
| 01915433407 | Surrey | Prize or Lottery Scam | False lottery or prize win announcements. |
| 01792722635 | Swansea | Bank or Financial Scam | Fraudulent attempts to gain bank details or personal information. |
| 01223609721 | Cambridge | Unsolicited Marketing | Aggressive marketing calls about products or services. |
Detailed Analysis of the Reported Spam Numbers
07418374634 – Mobile (Unknown)
This number is frequently reported for phishing attempts. The caller may claim to be from a well-known financial institution, asking for personal information such as bank account details or card numbers. It’s advisable not to share any personal information when receiving calls from unknown numbers. This number has also been linked to Payment Protection Insurance (PPI) claims, offering compensation or asking for details regarding a past PPI agreement.
02032686663 – London
The number 02032686663 is associated with automated robocalls that may claim to be debt collection agencies. These calls often make threatening remarks, implying legal consequences if the victim does not pay an outstanding debt. However, the calls are fraudulent, and no such debts exist. Consumers are advised to ignore such calls and report them immediately.
0151 317 8500 – Liverpool
This number is reportedly used for loan or financial scams. Callers may offer fake loan products, promising quick approval and low-interest rates. Once the victim provides personal or banking information, the scammer may either steal the funds or commit further identity theft. It is recommended to avoid sharing any personal information or making any payments over the phone in response to unsolicited loan offers.
02080906677 – London
This number is primarily linked to tech support scams. The caller claims to be from a well-known tech company like Microsoft or Apple, informing the victim that their computer is infected with malware or viruses. The victim is then asked to grant remote access to the computer or pay for unnecessary software repairs. Such calls should be ignored, and no access should be granted to any unknown individuals.
02038976533 – London
Commonly associated with PPI or compensation-related scams, this number typically targets individuals who have previously been mis-sold Payment Protection Insurance. The callers often claim that the victim is entitled to a refund and will ask for personal details. Given the widespread nature of PPI claims in recent years, it’s important to verify any such calls with your financial institution.
0161 884 3145 – Manchester
This number has been reported for fraudulent investment scams. The caller may present a seemingly attractive investment opportunity, promising high returns with little risk. These scams typically involve the victim sending money to the scammer or sharing financial information. As with all investment opportunities, it’s crucial to do thorough research and never send money to an unknown individual or company.
02039616447 – London
Health insurance scams are often linked to this number. Callers may offer health insurance plans, often claiming that the victim has a limited time to sign up for special discounts. In some cases, they may offer free health checks in exchange for personal information. It’s essential to approach such calls with caution, as they often turn out to be fraudulent.
01915433407 – Surrey
False lottery or prize win announcements are often associated with this number. Callers claim that the recipient has won a prize, which could range from a cash sum to a luxury item. In exchange for claiming the prize, the victim is often asked to pay a fee upfront. It’s important to remember that legitimate lottery winnings do not require payment for release.
01792722635 – Swansea
This number has been flagged for fraudulent attempts to obtain bank account details or personal information under the guise of a financial institution or government agency. These scammers may claim to be verifying account details or requesting account updates. Victims should avoid sharing such information and report the incident immediately.
01223609721 – Cambridge
Unsolicited marketing calls, often related to products or services, are commonly reported from this number. While not always a scam, these aggressive marketing calls can be intrusive. It’s recommended to ask the company to remove your number from their list or block the number if the calls are persistent.
How to Protect Yourself from Spam Calls
- Do Not Engage: If you receive a call from an unknown number, avoid engaging with the caller. Do not provide any personal or financial information.
- Use Call Blocking Apps: Many smartphones come with call-blocking features, or you can download apps designed to block spam calls. These apps often use community data to identify suspicious numbers.
- Verify the Caller: If a caller claims to be from a legitimate company, hang up and call back using a verified phone number from the company’s website or customer service line.
- Register with the TPS: The Telephone Preference Service (TPS) allows UK residents to opt-out of unsolicited marketing calls. Registering can reduce the number of spam calls you receive.
- Report the Call: Report any suspicious calls to Action Fraud or the Information Commissioner’s Office (ICO). This helps regulatory bodies track and stop fraudsters.
Conclusion
Spam calls continue to plague mobile phone users across the UK, with scammers becoming increasingly sophisticated. Recognizing the signs of a scam and knowing how to protect yourself are essential steps in reducing your exposure to these types of fraud. By being aware of the top reported spam numbers in the UK and taking proactive steps, you can better safeguard yourself from potential harm.
Stay vigilant, protect your personal information, and always question unsolicited calls, no matter how convincing they may seem.
