Spam phone calls have been a nuisance for many people around the world, and the United Kingdom is no exception. These unsolicited calls come from a variety of sources, from telemarketers to scammers trying to deceive people into revealing sensitive information. In the UK, people have reported numerous numbers, and it can sometimes be challenging to differentiate between legitimate calls and spam.
In 2025, the UK is still experiencing a rise in reported spam phone numbers. As a response, many individuals are taking proactive steps to protect themselves by identifying spam numbers before answering. In this article, we will explore the top reported spam phone numbers in the UK for 2025. By highlighting the numbers causing issues, we hope to help readers become more aware of potential spam calls and avoid falling victim to scammers or unwanted marketing tactics.
Table of Top Reported Spam Phone Numbers in the UK (2025)
| Phone Number | Type of Spam | Report Summary |
| 01615274971 | Automated Scam / Fraud | Calls often pretend to be from banks or government agencies asking for personal information. |
| 01702660930 | Telemarketing / Sales | Frequently reported for persistent calls offering questionable services and products. |
| 03301248035 | Loan / Financial Scam | Calls claiming to offer loans or credit at unbelievably low rates, but with hidden fees. |
| 01423645008 | Prize Scam / Phishing | Claims to offer prizes but requests sensitive details to “claim” the prize. |
| 07441107428 | PPI / Financial Compensation | Persistent calls related to Payment Protection Insurance (PPI) claims and compensation. |
| 01615316278 | Debt Collection / Threats | Debt collection agencies demanding immediate payment, often using aggressive tactics. |
| 01234237085 | Energy / Utility Scam | Calls claiming to offer lower energy bills or switching services that end up being fraudulent. |
| 03332421450 | Fraudulent Sweepstakes | The number reportedly calls with promises of large winnings in a non-existent sweepstakes. |
| 01615316131 | Scam Survey / Research | Claims to conduct surveys and then tries to sell products or services. |
| 01214243333 | Charity Scam / Donation Request | Pretends to be collecting donations for charities but is actually a fraudulent operation. |
01615274971 – Automated Scam / Fraud
The number 01615274971 has been reported as one of the most frequent offenders of spam calls. Many people have reported receiving automated robocalls from this number, claiming to be from reputable institutions such as banks, government bodies, or other authoritative agencies. The call typically asks for sensitive personal information such as account numbers, PIN codes, or passwords.
This number is known for trying to trick people into revealing confidential details that could later be used for fraudulent activities such as identity theft or unauthorized financial transactions. The automated voice often urges people to act quickly and without thinking, which makes it a dangerous tactic for those who are not cautious. If you receive a call from this number, it is advised not to respond or share any personal information. Instead, report the incident to your phone provider or the relevant authorities.
01702660930 – Telemarketing / Sales
Another highly reported spam number is 01702660930, which is typically associated with aggressive telemarketing campaigns. These calls are often from companies offering questionable products or services, such as extended warranties, subscription services, or health products.
People have expressed frustration over the frequency of calls from this number, which often occurs at inconvenient times during the day or evening. Many consumers report that the sales representatives are persistent, frequently calling back even after being asked to stop. If you are contacted by this number, it’s recommended to block it immediately. Be wary of any unsolicited offers, as they may be part of a larger scam aimed at collecting your personal details or making you sign up for services you do not need.
03301248035 – Loan / Financial Scam
03301248035 is another number commonly linked to fraudulent loan offers. These calls usually claim to offer personal loans, mortgages, or credit at extremely low-interest rates or with “guaranteed” approval. However, these calls are often part of a scam designed to obtain sensitive financial information or even advance fees before a loan is granted.
Reports suggest that the callers often use high-pressure tactics, creating a sense of urgency to get people to make quick decisions. These calls may come from individuals posing as legitimate loan brokers or even claiming to be affiliated with major financial institutions. To avoid falling victim to this scam, always ensure that you verify any loan offers through established and trusted financial institutions, and never share bank account details or make payments in advance.
01423645008 – Prize Scam / Phishing
One of the most common types of spam calls in the UK involves fake prize giveaways. The number 01423645008 has been reported numerous times for its involvement in prize scams. The callers inform recipients that they’ve won a significant prize, such as a large sum of money or a luxury item, but in order to claim their prize, the individual is asked to provide personal information or pay a so-called processing fee.
Victims of this scam report that after providing the requested information, the prize never materializes, and the scammers continue to demand money or further personal details. It’s important to remember that legitimate prize giveaways don’t require advance payments or sensitive personal data. If you receive a call from this number, it is best to hang up and avoid engaging with the caller.
07441107428 – PPI / Financial Compensation
PPI (Payment Protection Insurance) scams are unfortunately widespread, and the number 07441107428 is frequently reported for persistent calls about potential compensation. These calls typically claim that you are entitled to a refund for PPI, even if you have never taken out PPI insurance in the first place.
Scammers often use this number to obtain personal information such as bank account details or signatures on documents that could later be used for fraudulent purposes. If you receive calls from this number, be cautious and avoid providing any personal information. It is always best to approach PPI claims through official channels or consult with a trusted financial advisor.
01615316278 – Debt Collection / Threats
Check Recent Spamming Numbers:
02032686663: : 1218231410: : 3316306615: : 2034752480: : 1204891727
Another phone number that has raised alarm bells is 01615316278, which is often linked to debt collection scams. These calls are typically made by individuals claiming to be debt collectors who threaten legal action or arrest if immediate payment is not made for alleged debts. The callers are known for using aggressive tactics, causing a great deal of stress and anxiety for those who answer.
In many cases, these calls are completely fraudulent, and no such debts exist. If you receive a call from this number, it’s important to stay calm and avoid engaging with the caller. Do not provide any personal details or agree to make payments until you can verify the legitimacy of the claim. Always contact the creditor directly through official contact details to confirm any outstanding debt.
01234237085 – Energy / Utility Scam
Another scam that has been increasingly reported in 2025 involves fraudulent energy or utility offers. The number 01234237085 is frequently associated with calls claiming to offer reduced energy bills or special offers for switching energy providers. The scammers often pressure recipients into signing up for services that are either overpriced or do not exist.
These calls may also request financial information under the guise of verifying eligibility for the “offer” or “discount.” Be aware that legitimate energy companies will not ask for sensitive details over the phone. If you receive a call from this number, do not engage, and report it to your energy provider or the relevant authorities.
03332421450 – Fraudulent Sweepstakes
The number 03332421450 is frequently reported in connection with fraudulent sweepstakes or lottery scams. The callers claim that you have won a large prize, often in the form of cash or a luxury vacation, but in order to claim the prize, you must pay taxes or fees upfront. Once the victim pays, they may never hear from the scammer again.
This is a common type of scam, and the best way to protect yourself is to never agree to pay upfront for a prize you didn’t enter for. Legitimate sweepstakes do not require payment to claim a prize. If you receive a call from this number, it is a scam, and you should report it to the authorities immediately.
01615316131 – Scam Survey / Research
Another reported spam number is 01615316131, which is often associated with fraudulent surveys or research studies. Callers claiming to be conducting market research may ask you to complete a survey or provide feedback on various products or services. While surveys may seem innocent, these calls are often part of a scheme to gather personal information that can later be used for marketing purposes or sold to third parties.
To avoid falling victim to this type of spam, it’s always best to ignore unsolicited calls, especially those requesting participation in surveys or research that you did not opt into. If the survey is legitimate, they will not ask for sensitive information or use high-pressure tactics.
01214243333 – Charity Scam / Donation Request
Finally, 01214243333 has been frequently reported as a charity scam number. The callers often claim to be collecting donations for a charitable cause, such as children’s hospitals or disaster relief efforts. However, the money donated is not going to the stated cause but is instead pocketed by the scammer.
Always be cautious when receiving unsolicited calls asking for donations, especially if the caller is pressuring you to make a quick decision. If you wish to donate to a charity, always do so through their official website or established fundraising channels.
Conclusion
Spam phone calls continue to be a persistent problem in the UK, with scammers and telemarketers using increasingly sophisticated tactics to deceive unsuspecting individuals. The phone numbers listed above have been reported by many as the top offenders in 2025. To protect yourself, it’s essential to remain vigilant, avoid engaging with unsolicited calls, and report any suspicious activity to the relevant authorities. By recognizing these numbers and understanding the common scams associated with them, you can take proactive steps to safeguard your personal information and avoid falling victim to fraudulent activities.
