Top Reported Spam Phone Numbers in the UK (2025)

Spam calls are an ongoing issue for mobile phone users across the UK. With the rise of scammers and automated systems, many people have found themselves inundated with unsolicited calls. These calls can range from harmless telemarketing efforts to more sinister fraud attempts aimed at stealing personal information or money. As technology advances, so do the techniques used by these spammers, making it crucial for people to stay aware and cautious when dealing with unknown numbers.

In 2025, there are certain phone numbers that have been repeatedly reported by users as sources of spam and scam calls. This article will delve into the details of some of these numbers, providing insights into the nature of the calls, the patterns observed, and what actions you can take if you receive one of these calls. We’ll also include a table to help summarize the details of each number.

Quick Overview of the Numbers

Let’s take a closer look at some of the most reported spam phone numbers in the UK in 2025.

Phone Number	Type of Call	Reports	Caller’s Intent (Common)
3301240409	Scam/Telemarketing	High	Financial Scam/Robocalls
7418374068	Scam/Robocall	High	Fake Loans or Debt Relief
1312873387	Telemarketing	Medium	Unsolicited Sales Calls
1225234277	Scam/Phishing	High	Fake Government Benefits
3301244031	Robocall/Scam	Medium	Insurance Scam
1704610003	Scam/Telemarketing	Low	Mortgage and Loan Scams
7418374627	Robocall/Scam	High	Debt Collection Scam
2882480137	Scam/Phishing	Medium	Fake Job Offers
1615202425	Scam/Robocall	High	Tax Fraud and Scam
2036081936	Scam/Phishing	High	Account Lock Scam

3301240409: Financial Scams and Robocalls

One of the most frequently reported numbers in the UK for 2025 is 3301240409. Users often report receiving robocalls, where a recorded voice asks them to confirm personal details or offer financial services that seem too good to be true. These calls tend to target vulnerable individuals, offering loans or investment opportunities that ultimately lead to scams.

Common Caller Intent: The callers are usually posing as financial advisors or lenders offering loans at low-interest rates. However, these are fraudulent schemes aimed at stealing money or personal information.
Reports: This number has received a high volume of complaints, indicating that many people have fallen victim to this scam or have been persistently contacted.

If you receive a call from 3301240409, it’s advisable to hang up immediately and block the number. Never provide personal or financial information over the phone.

7418374068: Fake Loans or Debt Relief Scams

Another highly reported number, 7418374068, is often associated with fraudulent offers of debt relief or loan services. The robocall typically begins with a voice offering to assist with loan consolidation or help with unmanageable debts. These calls are often designed to sound urgent, preying on individuals struggling financially.

Common Caller Intent: These scammers offer fake loans or claim to help reduce outstanding debts for a fee. In many cases, they ask for an upfront payment and disappear once the money is paid.
Reports: This number has been reported multiple times for its involvement in fake loan offers and debt relief scams.

If you receive a call from this number, it’s crucial to remain cautious. Reputable companies would never ask for payment upfront. Block the number and report the call to local authorities.

1312873387: Unsolicited Sales Calls

Unlike some of the other numbers on this list, 1312873387 is often linked to unsolicited sales calls. These calls may seem like legitimate business offers, such as promotional deals or limited-time discounts on products or services. However, they are invasive and generally unwanted.

Common Caller Intent: The callers usually represent companies trying to sell products or services. While not outright scams, these calls can be a nuisance, and some have been reported for attempting to pressure individuals into making impulsive purchases.
Reports: This number has received a moderate level of complaints due to its connection with persistent telemarketing efforts.

If you don’t wish to be contacted by these types of numbers, consider signing up for the Telephone Preference Service (TPS), which will allow you to opt-out of receiving unsolicited marketing calls.

1225234277: Fake Government Benefits Calls

One of the more dangerous scam calls reported this year comes from 1225234277. This number is often linked to phishing scams, where the caller pretends to be a government official offering benefits or grants. These scams usually target older or financially struggling individuals, attempting to gather personal details like bank account numbers or national insurance numbers.

Common Caller Intent: Scammers impersonate government officials or officials from agencies like HMRC or the DWP, claiming they can provide financial assistance or grant money. The goal is to steal personal information or money.
Reports: This number has been flagged as high-risk due to its use in widespread phishing attempts.

If you receive a call from 1225234277, do not engage with the caller. Government agencies never ask for sensitive information over the phone.

3301244031: Insurance Scams

Scammers often use numbers like 3301244031 to make robocalls related to fake insurance claims or services. These calls usually promise discounted insurance premiums or warn you of imminent policy issues that can only be resolved through immediate action.

Common Caller Intent: These calls tend to promote fake or unnecessary insurance products, or they may claim you owe money for a policy you didn’t purchase.
Reports: Complaints are moderate for this number, with many people receiving unsolicited insurance offers.

It’s best to avoid these types of calls and block the number immediately.

1704610003: Mortgage and Loan Scams

1704610003 is another frequent offender, reported as a number used in mortgage scams. This number is typically associated with calls promising quick and easy mortgages, often targeting individuals looking to refinance or take out a new loan.

Common Caller Intent: The scammers claim to be offering mortgages or loans with favorable terms, but in reality, they are seeking to extract personal details or fees before vanishing with the money.
Reports: Complaints related to this number are lower, but people who have engaged with this number have often reported substantial losses.

If you are looking for financial products like a mortgage, always deal with a reputable company, and avoid sharing sensitive information over the phone.

7418374627: Debt Collection Scams

The number 7418374627 has been associated with fraudulent debt collection calls. These calls are often aggressive, with the caller threatening legal action or garnishment of wages if debts aren’t paid immediately. However, these claims are usually fabricated, and the goal is to intimidate individuals into paying money they don’t owe.

Common Caller Intent: Fake debt collectors try to collect money for debts that don’t exist or exaggerate the amount owed. These calls often use high-pressure tactics to scare victims into paying.
Reports: This number is one of the highest in terms of complaints, as many individuals report receiving threats from these scammers.

If you receive a call from this number, hang up and contact the legitimate creditor or debt agency to verify any claims.

2882480137: Fake Job Offers

Some scammers use 2882480137 to offer fake job opportunities, preying on those searching for employment. These calls often offer lucrative positions with high salaries, but they require upfront payment for training or background checks.

Common Caller Intent: The scammers offer fake job opportunities and ask for personal information or payment for services like job placement assistance or background checks.
Reports: This number has been flagged for its involvement in fraudulent job offers.

If you receive a job offer over the phone, be skeptical, especially if payment is required upfront. Legitimate employers will never ask for money to secure a job.

1615202425: Tax Fraud and Scam Calls

1615202425 is commonly associated with tax fraud calls. These scammers impersonate tax authorities, such as HMRC, and claim that the recipient owes back taxes or has committed tax fraud. The scammers often demand immediate payment to avoid arrest or legal action.

Common Caller Intent: The callers impersonate HMRC or other tax agencies, threatening legal consequences if taxes aren’t paid immediately.
Reports: Many reports describe threats and urgent demands for payment, which are tactics commonly used by scammers to create panic and urgency.

If you receive a call from this number, avoid responding. HMRC will never demand payment via phone, and any legitimate correspondence will come via official channels.

2036081936: Account Lock Scam

The final number on our list, 2036081936, is often linked to fake account lock scams. The scammers impersonate service providers, such as banks or utility companies, claiming that your account has been locked due to suspicious activity. They then ask for login credentials or payment to unlock the account.

Common Caller Intent: These scammers attempt to steal login credentials by tricking victims into thinking their accounts have been compromised.
Reports: This number has been frequently reported for its involvement in phishing scams and fraud.

If you receive a call from this number, do not share your personal details. Contact your service provider directly using a trusted phone number or website.

How to Protect Yourself from Spam Calls

Spam calls can be a major inconvenience and even a financial threat. Here are a few tips to help you protect yourself from these scams:

Use Call Blocking Apps: Apps like TrueCaller and WhoCalledMe can help identify and block known spam numbers.
Register with the Telephone Preference Service (TPS): This will reduce the number of unsolicited marketing calls you receive.
Don’t Share Personal Information: Never give out sensitive information, such as bank account details or Social Security numbers, over the phone.
Hang Up and Report: If in doubt, hang up the call and report it to the relevant authorities.

Conclusion

Spam and scam calls continue to plague mobile users in the UK. Numbers like 3301240409, 7418374068, and 1225234277 are frequently reported by consumers as sources of fraudulent activity. By staying aware of these common scam numbers and using protective measures like call-blocking apps and registration with the TPS, you can safeguard your privacy and reduce the risk of falling victim to these scams. Always remember: if it sounds too good to be true, it probably is!