In the digital age, receiving unsolicited calls or messages is an unfortunate reality many people face. Spam phone calls are one of the most common forms of disruption, with some numbers consistently appearing on call-blocking lists. Whether it’s marketing calls, scammers, or fraud attempts, being aware of the most reported spam phone numbers can help protect you and your personal information. In this article, we’ll explore the top reported spam phone numbers in the UK for 2025, shedding light on what to look out for and how to deal with these bothersome calls.
01615274971: Frequent Harassment and Scams
Overview:
The number 01615274971 has been widely reported as a frequent source of unsolicited marketing calls and scams. Typically, this number is associated with cold calling campaigns, where callers attempt to sell products or services. Many individuals have reported receiving persistent calls from this number, even after requesting to be removed from the calling list.
Common Issues:
- Cold calling for services such as insurance, loans, or energy bills.
- Scam attempts where the caller may try to steal personal information or money.
How to Handle It:
- Block the number using your phone’s built-in blocking features.
- Report it to the relevant authorities such as Ofcom or the Telephone Preference Service (TPS).
01702660930: Frequently Reported Number for PPI Claims
Overview:
Another number on the spam radar is 01702660930. Many UK residents have flagged this number for being linked to unsolicited calls regarding PPI (Payment Protection Insurance) claims. Despite the PPI deadline passing years ago, scammers still use this number to entice people into giving personal details under the guise of assisting with compensation claims.
Common Issues:
- PPI claims scams, where callers claim they can help you reclaim money for PPI.
- Unsolicited marketing calls offering financial services.
How to Handle It:
- Do not engage with the caller or share any personal details.
- Report it to TPS to add your number to the preference list and avoid future calls.
03301248035: Persistent Calls for Loan and Debt Services
Overview:
03301248035 has been associated with numerous reports of calls offering loan services, debt consolidation, and financial assistance. This number frequently harasses individuals, often using aggressive tactics to pressure people into signing up for high-interest loans or debt repayment services.
Common Issues:
- Debt-related calls offering unsecured loans or debt consolidation.
- Pressure tactics, making it difficult to get off the line.
How to Handle It:
- Hang up immediately if the call seems suspicious or too aggressive.
- Use a call-blocking app or service, such as TrueCaller, to stop such calls from coming through.
01423645008: Commonly Reported for Fake Tech Support Scams
Overview:
The number 01423645008 is notorious for its links to fraudulent tech support calls. Scammers often impersonate well-known companies like Microsoft, claiming that the user’s computer has been compromised or infected with malware. They then demand money to fix the supposed issues, leaving many victims feeling anxious and confused.
Common Issues:
- Tech support scams, claiming to fix non-existent computer problems.
- Fraudulent calls attempting to steal bank details or remote access to computers.
How to Handle It:
- Never allow remote access to your computer or share sensitive information.
- Report to Action Fraud, the UK’s national fraud and cybercrime reporting center.
07441107428: Persistent Calls for Energy Deals
Overview:
07441107428 is often reported as a source of unsolicited energy deal offers. The calls typically involve offers to lower energy bills or provide comparisons for gas and electricity providers. While some of these calls might be legitimate marketing, many are considered spam due to the persistence of these calls, often made without the recipient’s consent.
Common Issues:
- Energy comparison calls, offering deals that may not be relevant or even legitimate.
- Aggressive marketing tactics, which can be intrusive.
How to Handle It:
- Add the number to your block list.
- Register your number with the TPS to reduce unsolicited marketing calls.
01615316278: Frequent Robocall for Loan Offers
Overview:
01615316278 has been flagged as a persistent robocall number that offers various types of loans, including payday loans and personal loans. The automated messages often sound official, but they are designed to catch individuals off guard and pressure them into accepting loan offers with hidden fees and terms.
Common Issues:
- Robocalls offering payday loans or personal loans.
- Scams designed to collect sensitive information.
How to Handle It:
- Hang up immediately if the call is an automated message.
- Report the number through your phone service provider or online platforms like WhoCalledMe.
01234237085: Scam Calls Offering Fake Prizes
Overview:
The number 01234237085 is commonly reported as a source of scam calls offering fake prizes or sweepstakes winnings. These calls often claim that the recipient has won a significant sum of money or a luxury prize, but in reality, they are attempts to steal personal information or get the recipient to pay for “processing fees.”
Common Issues:
- Fake prize scams, where recipients are told they’ve won a prize.
- Requests for bank account details or upfront payment to “claim” the prize.
How to Handle It:
- Do not share any information or pay any fees.
- Hang up immediately and report the call to relevant authorities.
03332421450: Frequently Reported Number for Fake Job Offers
Overview:
03332421450 has been reported frequently for scam calls offering fake job opportunities. Scammers pretending to be recruiters often use this number to lure individuals into giving away personal details or paying for job-related services, such as background checks or training fees.
Common Issues:
- Fake job offers, promising high salaries or quick employment.
- Requests for payment for supposed job-related services.
How to Handle It:
- Do not provide personal details or financial information.
- Report the number to the ICO (Information Commissioner’s Office).
01615316131: Reported for Phishing and Financial Scams
Overview:
The number 01615316131 is commonly linked to phishing attempts and financial scams. Scammers use this number to impersonate legitimate companies, including banks and financial institutions, in an attempt to gain access to personal and financial information.
Common Issues:
- Phishing calls, where the caller pretends to be from a trusted financial institution.
- Requests for sensitive information, such as bank account details or passwords.
How to Handle It:
- Do not provide sensitive information over the phone.
- Verify the caller’s identity by calling the company back using a verified number.
01214243333: Robocall Scam Offering Loans
Overview:
01214243333 is often reported for robocalls offering loans, typically payday loans or loans with high interest rates. These calls often present themselves as being from trusted financial institutions, but they are merely an attempt to scam people into accepting loans with high charges or unrealistic terms.
Common Issues:
- Robocalls for loans, typically payday loans or short-term loans.
- Misleading loan offers, designed to trap people in high-interest debts.
How to Handle It:
- Hang up immediately if you receive a call from this number.
- Block the number and report it to the authorities if necessary.
Summary Table of Top Reported Spam Numbers in the UK (2025)
| Phone Number | Reported Issues | Common Scam Type |
| 01615274971 | Cold calling, scams | Marketing services, scams |
| 01702660930 | PPI claims scams | PPI scam |
| 03301248035 | Loan offers, debt consolidation | Loan scams, debt services |
| 01423645008 | Fake tech support scams | Tech support fraud |
| 07441107428 | Energy deal offers | Energy marketing scams |
| 01615316278 | Robocalls for loans | Payday loan scams |
| 01234237085 | Fake prize offers | Prize scams |
| 03332421450 | Fake job offers | Job scams |
| 01615316131 | Phishing for financial info | Financial scams, phishing |
| 01214243333 | Robocall loan offers | Payday loan scams |
Conclusion: Stay Vigilant Against Spam Calls
The rise of spam phone numbers continues to be a concern for many people in the UK. From aggressive sales tactics to outright fraudulent schemes, it’s important to stay vigilant and take the necessary steps to protect yourself from these intrusive calls.
By recognizing the numbers that are frequently reported as spam, such as the ones we’ve highlighted in this article, you can better safeguard your personal information. Don’t hesitate to block or report suspicious numbers to help reduce the impact of spam calls on you and others.
If you’re experiencing frequent spam calls, make sure to utilize services like TrueCaller, TPS, and Ofcom to block unwanted numbers and report these disruptions. Your awareness and action are key to reducing the effectiveness of these scammers and ensuring your peace of mind in 2025.
Meta
“Discover the top reported spam phone numbers in the UK for 2025, including 01615274971, 01702660930, 03301248035, 01423645008, 07441107428, 01615316278, and more. Learn about the common scams associated with these numbers and how to protect yourself from fraud and unsolicited calls. Stay informed with tips on reporting and blocking spam calls in the UK.”
