Spam and scam calls continue to be a persistent problem in the UK, affecting both individuals and businesses. In 2025, several numbers have emerged as top offenders, generating countless complaints due to their frequent and often deceptive tactics. In this article, we’ll highlight some of the most reported spam phone numbers in the UK this year, providing key details about each one, along with tips on how to identify, block, and report these nuisance calls.
Quick Overview of Top Spam Numbers
Here’s a quick glance at the most commonly reported spam numbers in the UK for 2025:
| Phone Number | Likely Origin | Common Complaint Types |
| 07418374634 | Mobile Network | Fake delivery texts, insurance scams |
| 02032686663 | London | Debt collection, energy sales |
| 0151 317 8500 | Liverpool | HMRC tax scams, refund fraud |
| 02080906677 | London | Tech support scams, fake investments |
| 02038976533 | London | Loan offers, survey scams |
| 0161 884 3145 | Manchester | Car accident claims, PPI refund scams |
| 02039616447 | London | Charity donation requests, fake surveys |
| 01915433407 | Sunderland | Prize scams, lottery win fraud |
| 01792722635 | Swansea | Bank scams, financial advice fraud |
| 01223609721 | Cambridge | Robocalls, automated marketing |
07418374634 – Mobile Network Scams
One of the most frequently reported numbers this year, 07418374634, is known for sending fake delivery texts and insurance scam messages. Many victims have received messages claiming missed deliveries or outstanding insurance payments, designed to lure them into providing personal information or clicking malicious links. These scams often attempt to steal financial details or infect devices with malware.
How to Handle Calls from 07418374634
- Do not click on any links or share personal details.
- Block the number immediately using your phone’s settings.
- Report the number to your network provider or a service like WhoCalledMe or TrueCaller.
02032686663 – Debt Collection and Energy Sales
Calls from 02032686663 are typically associated with aggressive debt collection attempts or persistent energy sales. These callers often use high-pressure tactics, sometimes even claiming to represent legitimate companies to gain your trust. If you receive a call from this number, be cautious, as it may involve phishing attempts or attempts to obtain your financial detail How to Protect Yourself
- Do not share any financial information over the phone.
- Use a call-blocking app to prevent further contact.
- Report the number to Ofcom or the Information Commissioner’s Office (ICO).
151 317 8500 – HMRC Tax Scams
This Liverpool-based number, 0151 317 8500, has been linked to fraudulent tax refund scams, often impersonating the HMRC. These scammers threaten legal action, fines, or even arrest to frighten victims into paying bogus tax debts.
Tips for Avoiding These Scams
- Never share your National Insurance number or financial details over the phone.
- Verify any tax-related messages directly with the HMRC.
- Use services like TPS or TrueCaller to block these numbers.
02080906677 – Tech Support Scams
Scammers using 02080906677 often pose as technical support agents from well-known companies, attempting to convince victims that their devices are at risk. They may demand remote access to your computer or request payments for unnecessary software.
How to Stay Safe
- Do not allow remote access to your devices unless you have verified the caller’s identity.
- Use security software to protect against malware.
- Report suspicious calls to the ICO or your phone provider.
02038976533 – Loan and Survey Scams
02038976533 is often linked to unsolicited loan offers or fake survey calls, promising financial rewards or low-interest loans that never materialize. These calls can be particularly convincing, using realistic scripts and even stolen personal data to gain trust.
Protective Steps
- Never share your banking details with unverified callers.
- Use call-blocking services to prevent future contact.
- Report these calls to the Financial Conduct Authority (FCA).
0161 884 3145 – Car Accident and PPI Claims
Manchester-based 0161 884 3145 is frequently reported for car accident and PPI refund scams, where callers claim you are owed compensation. They may pressure you to share sensitive information to process a supposed payout.
Protecting Yourself
- Refuse to share any accident details or financial information.
- Use tools like TPS to block nuisance calls.
- Report suspicious numbers to Ofcom or the ICO.
02039616447 – Charity and Survey Scams
Scams involving 02039616447 often pose as charitable donation requests or market research surveys, trying to gather financial or personal details under the guise of helping a good cause.
How to Respond
- Always verify the legitimacy of the charity before donating.
- Block this number using call-filtering apps.
- Report the call to Ofcom or the ICO.
01915433407 – Prize and Lottery Scams
Calls from 01915433407 often promise cash prizes or lottery winnings but require upfront payments to claim the supposed reward. These are classic advance-fee scams designed to steal money from unsuspecting victims.
Safety Tips
- Never pay to claim a prize.
- Use number lookup tools like WhoCalledMe or TrueCaller to verify unknown numbers.
- Report these scams to the ICO.
01792722635 – Bank and Financial Fraud
This Swansea-based number, 01792722635, has been linked to bank-related scams, where fraudsters pose as your bank to steal sensitive information.
Protecting Your Finances
- Hang up and call your bank directly if you receive a suspicious call.
- Never share passwords or PINs over the phone.
- Use fraud prevention services like TrueCaller or WhoCalledMe.
01223609721 – Robocalls and Marketing
01223609721 is known for aggressive robocalls and automated marketing campaigns, often pushing unwanted services or fake product offers.
How to Handle These Calls
- Register with the TPS to reduce spam calls.
- Use call-blocking features to filter unwanted numbers.
- Report the number to your phone provider or the ICO.
How to Block and Report Spam Calls
To reduce spam, consider using services like WhoCalledMe, TrueCaller, and Ofcom’s complaint tools. Blocking these numbers and reporting them helps protect others from falling victim to similar scams.
Take Action – Stay Safe!
If you’ve received a call from any of these numbers, take action by blocking the number, reporting it to the proper authorities, and educating others about these common scams. Staying informed is the first step to protecting yourself from phone fraud in 2025.
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Discover the top reported spam phone numbers in the UK for 2025, including 07418374634, 02032686663, 0151 317 8500, 02080906677, 02038976533, 0161 884 3145, 02039616447, 01915433407, 01792722635, and 01223609721. Learn how to identify, block, and report these nuisance calls to protect yourself from scams.
