
In today’s digital age, spam calls have become an increasingly common nuisance. These calls can range from irritating robocalls to more harmful scams that aim to steal personal information. The United Kingdom is no exception to this, as a growing number of people have reported receiving unsolicited calls from unknown numbers. Spam callers often try to manipulate or mislead individuals into giving out sensitive details, signing up for fraudulent services, or making financial transactions.
This article provides detailed information on some of the top reported spam phone numbers in the UK in 2025, based on reports from call-blocking apps, user complaints, and telecom monitoring. We will break down each phone number, explaining the associated issues and the nature of the calls that individuals are receiving from these numbers. Additionally, we will offer guidance on how to handle these types of calls and protect yourself from falling victim to these scams.
02080586756
Reported Issue: Fraudulent Service Offers

One of the most frequently reported spam numbers in the UK is 02080586756. Callers from this number often pretend to be from a government agency or a well-known company, offering fake services such as free medical consultations, debt relief programs, or home energy-saving solutions. These fraudulent services are designed to collect personal information or money. Individuals who engage with these calls risk having their data misused or falling into a scam.
What You Should Know:
- Caller Type: Robocall
- Known Scam: Fake services or government offers
- Protection Tips: Avoid engaging with unsolicited calls. Always verify the authenticity of offers through official channels.
02037879203
Reported Issue: Tax Fraud Scams

Another common number that has been flagged as a source of spam is 02037879203. This number is primarily associated with tax fraud scams, where callers claim to be representatives from HM Revenue and Customs (HMRC). They warn the recipient about unpaid taxes or an impending legal case and demand immediate payment to avoid arrest or legal action. Such scams are designed to create a sense of urgency and pressure individuals into making quick decisions.
What You Should Know:
- Caller Type: Scammer impersonating HMRC
- Known Scam: Tax fraud, false legal threats
- Protection Tips: HMRC never calls to demand payment over the phone. Hang up and report the number to HMRC or the relevant authorities.
02080599760
Reported Issue: PPI Claim Scams
The number 02080599760 has been reported frequently for its association with Payment Protection Insurance (PPI) claim scams. Although the PPI mis-selling scandal has been widely publicized, fraudsters continue to target individuals who may be unaware of their rights or those who haven’t yet claimed compensation. These calls often involve a person or automated system offering to help with a PPI claim in exchange for a fee, even though the service may be unnecessary or non-existent.
What You Should Know:
- Caller Type: Telemarketer or scammer
- Known Scam: PPI claims
- Protection Tips: Do not pay upfront fees for PPI claims, as legitimate firms do not charge for these services until the claim is successful.
08000668919
Reported Issue: Bank Fraud Scams
Check Recent Spamming Numbers:
01615315801: : 03316301300: : 01423645008: : 01204961931: : 07418374159
One of the most concerning numbers reported by users is 08000668919. Calls from this number are often associated with fraudulent banking scams. The caller pretends to be from a reputable financial institution, such as a bank or building society, and claims that there is an issue with the victim’s account or that fraudulent activity has been detected. The victim is then tricked into revealing sensitive information, such as account numbers, PINs, or passwords.
What You Should Know:
- Caller Type: Scammer impersonating a bank
- Known Scam: Bank fraud
- Protection Tips: Never provide personal or financial details over the phone, especially when the call was unsolicited. Always contact your bank directly to verify any claims.
02080583736
Reported Issue: Prize and Lottery Scams
Another phone number that has been reported by many UK residents is 02080583736. Callers from this number often claim that the individual has won a prize or lottery. However, in order to claim the “prize,” the recipient is asked to pay a fee or provide personal information. These calls are typically a scam designed to steal money or personal details under the guise of a fake prize win.
What You Should Know:
- Caller Type: Scammer offering fake prizes
- Known Scam: Prize or lottery scams
- Protection Tips: Be wary of any unsolicited calls claiming that you’ve won a prize, especially if you’re asked to pay fees upfront.
03316309814
Reported Issue: Debt Collection Scams
The number 03316309814 has been linked to scams involving fake debt collection calls. The scammer calls pretending to be a debt collector, claiming that the recipient owes money to a company or institution. They often threaten legal action, social consequences, or even arrest if the debt is not paid immediately. This type of scam preys on individuals who may be in financial distress.
What You Should Know:
- Caller Type: Impersonating a debt collector
- Known Scam: Fake debt collection
- Protection Tips: Always ask for written proof of any alleged debt. Do not provide payment or personal information over the phone.
02080580693
Reported Issue: Health Insurance Scams
Health insurance scams have become more common in recent years, with numbers like 02080580693 appearing frequently in reports. The callers often claim to offer discounted or free health insurance plans but require payment upfront or personal information to process the supposed offer. These calls are usually a scam designed to take advantage of individuals looking for affordable health insurance.
What You Should Know:
- Caller Type: Telemarketer or scammer offering fake health insurance
- Known Scam: Health insurance fraud
- Protection Tips: Always verify any insurance offers with a trusted, licensed agent or company before providing payment or personal details.
01615315340
Reported Issue: Fake Charity Scams
Another commonly reported spam number is 01615315340, which is linked to fake charity scams. The caller might claim to represent a well-known charity and ask for donations for a cause. However, the money is not actually going to the charity, but instead lining the pockets of the scammer. This type of fraud exploits people’s generosity for malicious purposes.
What You Should Know:
- Caller Type: Fake charity fundraiser
- Known Scam: Charity donation fraud
- Protection Tips: Always check the legitimacy of a charity before donating. Do not provide financial information over the phone.
02038960346
Reported Issue: Loan and Credit Card Scams
The number 02038960346 is often reported for offering fake loans or credit card deals. The callers promise quick loans or easy credit cards with low interest rates, but require personal or financial details to “process” the offer. In many cases, the loans never materialize, and the victim’s data is used for fraudulent activities or sold to other criminals.
What You Should Know:
- Caller Type: Scammer offering fake loans or credit cards
- Known Scam: Loan or credit card fraud
- Protection Tips: Always be cautious when dealing with unsolicited loan or credit offers. Verify the legitimacy of any financial institution before engaging.
03333441106
Reported Issue: Survey and Data Harvesting Scams
The final number in our list is 03333441106, which is associated with survey and data harvesting scams. These calls often claim to be conducting a survey or research, but in reality, they are gathering personal details such as your address, employment status, or financial information. This data can later be used for further scam attempts or sold to other malicious entities.
What You Should Know:
- Caller Type: Scammer conducting fake surveys
- Known Scam: Data harvesting
- Protection Tips: Do not provide any personal information over the phone, especially if the call is unsolicited.
Summary Table of Top Reported Spam Phone Numbers
Phone Number | Reported Issue | Caller Type | Protection Tips |
02080586756 | Fraudulent service offers | Robocall | Verify offers through official channels; avoid engaging. |
02037879203 | Tax fraud scams | Scammer impersonating HMRC | HMRC does not call for payments; hang up and report. |
02080599760 | PPI claim scams | Telemarketer or scammer | Avoid upfront fees; verify claims before taking action. |
08000668919 | Bank fraud scams | Scammer impersonating a bank | Never share personal information over the phone. |
02080583736 | Prize and lottery scams | Scammer offering fake prizes | Be suspicious of unsolicited prize claims. |
03316309814 | Fake debt collection scams | Impersonating a debt collector | Ask for written proof; never pay without verification. |
02080580693 | Health insurance scams | Telemarketer or scammer | Verify insurance offers with licensed agents. |
01615315340 | Fake charity scams | Fake charity fundraiser | Always check the legitimacy of charities. |
02038960346 | Loan and credit card scams | Scammer offering fake loans | Be cautious with unsolicited loan offers. |
03333441106 | Survey and data harvesting scams | Scammer conducting fake surveys | Never share personal data over the phone. |
Conclusion
Spam calls are an ongoing problem for residents in the UK, and the numbers listed above have been identified as some of the top offenders in 2025. These scams can take many forms, from fraudulent service offers and fake tax calls to scams involving health insurance, charity donations, or even fake debt collection threats. It is essential to remain vigilant and avoid giving out personal or financial information to unsolicited callers.
If you receive any of these calls, hang up immediately, and report the number to your phone provider or relevant authorities, such as the Information Commissioner’s Office (ICO). By staying informed and following the protective tips outlined in this article, you can significantly reduce the risk of falling victim to these types of scams.