Spam phone numbers, also known as nuisance or scam calls, have become an increasingly prevalent issue worldwide, including in the UK. These calls can often come from individuals or automated systems trying to sell products, ask for donations, or even steal personal information. With technology advancing rapidly, so too do the tactics used by these scammers. They disguise their phone numbers to appear local, or even legitimate, tricking the unsuspecting public into answering their calls.
In this article, we will take a closer look at some of the top reported spam phone numbers in the UK in 2025. If you’ve received any calls from these numbers or similar ones, it’s likely you’ve encountered a scam.
Table of Reported Spam Numbers in the UK (2025)
| Phone Number | Area Code | Reported Issues |
| 07418374634 | Mobile | Cold-calling, selling insurance, phishing for personal details |
| 02032686663 | London (Landline) | Debt collection scam, impersonating government services |
| 0151 317 8500 | Liverpool (Landline) | Fraudulent surveys, requesting bank information |
| 02080906677 | London (Landline) | Fake lottery win, requesting money upfront |
| 02038976533 | London (Landline) | Subscription services scam, misleading offers |
| 0161 884 3145 | Manchester (Landline) | Loan and credit card scams, unsolicited calls |
| 02039616447 | London (Landline) | Impersonating banks or financial institutions |
| 01915433407 | Manchester (Landline) | Offering fake investments, asking for bank details |
| 01792722635 | Cardiff (Landline) | Technical support scam, offering fake IT services |
| 01223609721 | Cambridge (Landline) | Fake charity donations, requesting sensitive information |
07418374634 – Mobile Number
This mobile number has been flagged by numerous individuals for cold calling, primarily selling insurance and other financial products. Scammers often pose as legitimate companies offering discounts or special deals. They may attempt to lure you into giving away personal information like your address, bank details, or national insurance number. The number’s lack of a recognizable company name or specific information often makes it a red flag.
Why It’s a Concern:
- These calls tend to be very persistent.
- The callers use high-pressure tactics to get personal information.
- The insurance policies they sell may not exist, leaving victims with financial loss.
02032686663 – London (Landline)
The number 02032686663 is linked to a number of debt collection scams. These scammers impersonate government services or well-known organizations, warning individuals about unpaid debts. They claim that unless payment is made immediately, the person could face legal action or have their assets seized. Some scams even demand payment via untraceable methods such as gift cards or cryptocurrencies.
Why It’s a Concern:
- The pressure to act quickly without verifying information can trick individuals into giving away sensitive financial data.
- The scammers often spoof legitimate government services to appear trustworthy.
0151 317 8500 – Liverpool (Landline)
Reports suggest that this number is involved in fraudulent surveys. These callers claim to be conducting surveys related to customer satisfaction or market research. However, their real goal is to extract sensitive information, such as credit card details, or to convince the person to buy products or services that don’t exist.
Why It’s a Concern:
- The callers may ask for information that seems harmless but could be used to steal money or commit fraud.
- People may feel obliged to complete the survey, not realizing that it’s a scam.
02080906677 – London (Landline)
Scammers using this number often inform recipients that they’ve won a fake lottery or prize. In many cases, they ask for a “processing fee” to claim the supposed prize. Unfortunately, after paying this fee, the victim receives nothing in return.
Why It’s a Concern:
- These scams prey on people’s hopes and desires to win something big.
- They ask for upfront payments, which is a common indicator of fraud.
- Once the payment is made, the scammer disappears, leaving the victim empty-handed.
02038976533 – London (Landline)
Check Recent Spamming Numbers:
1218231410: : 3316306615: : 2034752480: : 1202158180: : 3303413752
The number 02038976533 has been reported in connection with subscription service scams. The scammers may call offering an unbelievably cheap product or service, but they will require payment for “membership fees” or for access to the service. These charges can sometimes be reoccurring, leaving the individual unknowingly subscribed to a service they never intended to pay for.
Why It’s a Concern:
- People often don’t realize they are being enrolled in a subscription they didn’t want.
- These scams exploit individuals who are looking for good deals, only to end up paying more than expected.
0161 884 3145 – Manchester (Landline)
This Manchester-based number is known for calling individuals with offers for loans or credit cards, especially targeting those who may have bad credit. The callers often make promises of “easy approval” or “guaranteed” loans. However, these loans rarely materialize, and victims often end up paying fees for services that never existed.
Why It’s a Concern:
- It’s a common tactic for scammers to prey on those in difficult financial situations.
- Many people are tempted to accept offers they wouldn’t otherwise, hoping for financial relief.
02039616447 – London (Landline)
Scammers using this phone number often impersonate well-known banks or financial institutions. They may claim to be calling about “suspicious activity” or a “security breach” on the victim’s account and ask for personal banking details to resolve the issue. Unfortunately, these types of scams often result in stolen funds.
Why It’s a Concern:
- These calls exploit people’s fear of fraud, prompting them to provide sensitive bank account information.
- The scammers are well-prepared and may even use a voice that sounds official or authoritative.
01915433407 – Manchester (Landline)
This number has been reported for calling people with fake investment opportunities, offering high returns with little to no risk. The scammers often use aggressive marketing tactics and promises of quick profits to convince victims to invest money upfront. Unfortunately, these investments do not exist, and people are left out of pocket.
Why It’s a Concern:
- Many individuals looking to grow their wealth may fall victim to these false investment schemes.
- These scams often lead to significant financial losses.
01792722635 – Cardiff (Landline)
This number has been used in technical support scams, where the caller claims to be from a reputable IT service. They may inform the victim that there is a problem with their computer or that it’s been infected with malware. The scammer will then ask for access to the victim’s computer or payment for unnecessary software or services.
Why It’s a Concern:
- Giving remote access to a scammer can result in stolen personal information or the installation of malicious software.
- Many people trust calls from “tech support” and may unknowingly give up their private data.
01223609721 – Cambridge (Landline)
Lastly, this number is linked to a common scam that asks individuals to donate to fake charities. Scammers often claim to be collecting for causes such as medical research, disaster relief, or helping underprivileged children. They will often insist on a quick donation and may ask for personal details or payment via untraceable means.
Why It’s a Concern:
- These calls prey on the victim’s good will and desire to help others.
- People may end up making donations to fraudulent causes, never seeing the benefit of their generosity.
Conclusion
Spam calls are becoming an unfortunate part of daily life in the UK. With technology constantly advancing, scammers are finding more and more sophisticated ways to trick individuals into parting with their money or personal information. These numbers listed above are just some of the top reported spam numbers in the UK in 2025.
If you receive any calls from unknown or suspicious numbers, it is always best to ignore them or hang up. Never give out sensitive information, and if in doubt, contact the company or institution that supposedly called you directly using their official contact details. Reporting suspicious numbers to organizations like the Information Commissioner’s Office (ICO) or the Telephone Preference Service (TPS) can help prevent further scams and protect others from falling victim.
Being vigilant and cautious is the best defense against these types of scams.
