UK’s Worst Spam Numbers List 2025

In the digital age, phone spam and scam calls have become a nuisance for individuals in the UK. These calls, often made by automated systems or fraudsters, can be highly intrusive and misleading. Many people are unaware of the potential dangers of answering these calls, which may lead to identity theft, financial loss, or data breaches. The UK government and telecom providers have made efforts to curb this issue, but the problem persists. In this article, we will highlight some of the top reported spam phone numbers in the UK in 2025.

What Are Spam Phone Numbers?

Spam phone numbers are typically associated with unsolicited, unwanted, or fraudulent calls. These calls may appear to be from legitimate sources, such as banks, government agencies, or even familiar phone numbers, but they are designed to scam or manipulate the recipient into divulging personal information or sending money. Recognizing these numbers can help protect your privacy and finances.

Overview of the Top Reported Spam Numbers in the UK (2025)

Below is a list of the most frequently reported spam phone numbers in the UK as of 2025. These numbers are known for being associated with various forms of scam calls, including phishing, fake services, and fraudulent financial schemes. Let’s dive into the details of each one.

1204891727 – Fraudulent Marketing

This number is notorious for calling individuals under the guise of a marketing company. The scammers usually claim to be offering deals on products or services, but the real goal is to collect personal details or make unauthorized charges. Victims often report receiving multiple calls from this number, even after blocking it.

2034752480 – Fake Surveys

The number 2034752480 is linked to a scam operation that pretends to be conducting surveys. Callers are told they will receive a reward or prize if they answer a few questions, but instead, they are asked for sensitive information like credit card numbers or other private data. This scam can lead to identity theft if not detected early.

3316306615 – Tax Scams

The number 3316306615 is often used by fraudsters pretending to be from HM Revenue and Customs (HMRC). They warn the recipient of tax issues and threaten legal action or arrest unless immediate payment is made. These calls can be terrifying for unsuspecting individuals, especially those unfamiliar with HMRC’s official procedures.

1218231410 – Debt Collection Scams

Check Recent Spamming Numbers:

01634535585 : : 040855989821 : : 01618200299 : : 07441902976 : : 01162018000

Scammers often use the number 1218231410 to impersonate debt collection agencies. They call individuals claiming they have outstanding debts and demand immediate payment, sometimes threatening with legal action. These calls are particularly harmful as they prey on people’s fear and anxiety about their financial situations.

2080582684 – Loan Scams

This number is linked to fraudulent loan services. Scammers posing as financial institutions offer “easy approval” loans, but they request upfront fees before the loan can be processed. Once the payment is made, the scammer disappears, and the victim is left with nothing. Loan scams like this are particularly dangerous as they exploit individuals in urgent need of financial help.

7520615358 – Insurance Scams

If you receive a call from the number 7520615358, beware. This is commonly associated with fraudulent insurance offers. The scammers claim to offer discounted insurance policies or exclusive deals, but they aim to steal your financial information. Once they have access to your credit card or banking details, they can make unauthorized transactions.

1283260467 – Technical Support Scams

Technical support scams are another prevalent issue, and the number 1283260467 is commonly reported for such scams. Scammers posing as tech support agents claim that your computer or device has a virus or other issues. They offer to fix the problem remotely but may end up installing malicious software or stealing sensitive data.

3316309149 – Bank Fraud Scams

Another number often reported for fraud is 3316309149. This number is typically used by scammers who impersonate bank representatives. They claim to need verification of account details or ask for login credentials to “secure” your bank account. Always be cautious when receiving such calls, as legitimate banks will never ask for sensitive information over the phone.

02080444164 – Fake Debt Relief Services

The number 02080444164 is often associated with scams offering fake debt relief services. These calls claim to help individuals get out of debt, but they often require upfront fees or personal information. Once the victim provides the information, the scammer disappears, and the victim’s financial situation may become worse.

 +44 20 3912 7474 – Travel Scams

Travel scams are prevalent, and the number +44 20 3912 7474 is commonly linked to this type of fraud. Scammers offer “discounted” travel packages or exclusive vacation deals, but they require upfront payments before the booking is confirmed. Once the payment is made, the victim finds that the deal was non-existent.

How to Protect Yourself from Spam Calls

1. Block Unknown Numbers: Use your phone’s built-in features or third-party apps to block calls from unknown or suspicious numbers.
   
2. Don’t Share Personal Information: Never give out personal details such as your bank account number, passwords, or identification details over the phone.
   
3. Use Call Screening Services: Many mobile providers offer call screening and blocking services. Enabling these can help filter out unwanted calls.
   
4. Report Spam Numbers: If you receive a spam or scam call, report it to your network provider or to organizations such as the Information Commissioner’s Office (ICO).
   
5. Verify Information: If you receive a suspicious call claiming to be from a legitimate company or government body, always hang up and call them back using official contact information to verify the claim.
   

Conclusion

Spam phone numbers continue to plague residents in the UK, with scammers constantly coming up with new methods to trick individuals into revealing sensitive information or making payments. The numbers listed above are some of the most frequently reported spam callers in 2025. By being vigilant and knowing how to spot and handle these calls, you can protect your personal information and avoid falling victim to scams.

Always remember, if something feels off during a phone call—whether it’s a financial claim, a supposed prize, or a service offer—it’s best to hang up and verify the source through official channels. Staying informed and cautious is your best defense against phone scams.