In 2025, one of the biggest annoyances for many people in the UK remains unsolicited calls from spam numbers. Whether they are robocalls, telemarketers, or fraudsters, these calls can disrupt your day and even put your personal information at risk. In this article, we will look at some of the most reported spam phone numbers in the UK in 2025. We will provide details on each number and offer tips on how to protect yourself from these intrusions.
Quick Overview: The Impact of Spam Calls in the UK
Spam calls have been a growing problem for years, and in 2025, they continue to pose a significant threat to the privacy and security of UK citizens. According to reports, millions of spam calls are made every day, targeting unsuspecting individuals for various malicious purposes, including fraud, scams, and sales pitches.
In this article, we will delve into the top reported spam phone numbers in the UK, providing you with the information you need to stay alert and protect your personal details.
What Is Spam Calling?
Spam calling refers to unsolicited or unwanted phone calls made by automated systems, marketers, or scammers. These calls typically aim to sell products, services, or collect personal data. Many spam calls are designed to deceive people into providing sensitive information like banking details or passwords, which can be used for fraudulent activities.
Let’s take a closer look at some of the top reported spam phone numbers in the UK.
Top Reported Spam Phone Numbers in the UK (2025)
Here’s a breakdown of the top reported spam phone numbers in the UK in 2025:
| Phone Number | Reports | Type of Call | Location/Origin | Known Scam Type |
| 2039301824 | High | Robocall | Unknown | Scam, Fraud |
| 1615263553 | High | Telemarketing | Manchester | Telemarketing Scam |
| 1792722689 | Medium | Robocall | Unknown | Fraudulent Offer |
| 2045876705 | High | Scam/Fraud | London | Impersonation Scam |
| 1273036584 | Medium | Scam/Fraud | Bristol | Financial Fraud |
| 3301240997 | High | Robocall | Unknown | Loan Scam |
| 1413109863 | Low | Telemarketing | Birmingham | Insurance Scam |
| 2038960345 | Medium | Fraud | Liverpool | Fake Prize Scam |
| 1544329840 | Low | Scam | Sheffield | Tax Scam |
| 7714135818 | High | Robocall | Unknown | Debt Collection Scam |
1. 2039301824 – High Reports for Robocalls
One of the top spam numbers in the UK in 2025 is 2039301824. This number has been linked to numerous robocalls, which are automated calls that play a pre-recorded message when answered. The calls often claim to offer discounts, debt consolidation services, or fraudulent investment opportunities.
People have reported receiving these calls at all times of the day, causing major disruptions. The calls are often designed to trick the recipient into pressing a number to speak to an operator, where personal information is requested.
How to Protect Yourself
- Do not respond to any robocall, especially if you did not initiate the call.
- Use a call-blocking app like TrueCaller to identify and block numbers that are frequently reported as spam.
2. 1615263553 – High Reports for Telemarketing Scams
The number 1615263553 has been reported by many individuals as a spam caller linked to telemarketing scams. These calls usually involve unsolicited sales offers, such as fake insurance plans, credit offers, or “too-good-to-be-true” deals. The callers often use high-pressure tactics to get people to agree to purchases or share personal details.
How to Protect Yourself
- If you receive a call from this number, hang up immediately and block it.
- Register your number with Ofcom or the Telephone Preference Service (TPS) to opt out of unsolicited marketing calls.
3. 1792722689 – Medium Reports for Robocall Scams
1792722689 is another frequent spam number linked to robocall scams. These calls tend to be impersonation scams, where the caller claims to be from a legitimate organization, like a bank or government agency. They attempt to convince individuals to provide sensitive data such as passwords, bank account numbers, or social security details.
How to Protect Yourself
- Never provide sensitive information over the phone, especially if you were not expecting the call.
- Report these numbers to organizations like Action Fraud and block them using call-filtering apps.
4. 2045876705 – High Reports for Fraud and Impersonation
2045876705 is another number frequently associated with fraud and impersonation scams. The callers may pose as representatives from your bank or a tax authority, claiming that you owe money and threatening legal action if you don’t pay immediately. They use fear tactics to get individuals to make hasty decisions, such as transferring funds to them.
How to Protect Yourself
- Hang up immediately if you suspect the caller is a scammer.
- Verify the caller’s identity by contacting the organization they claim to represent directly using official contact details.
5. 1273036584 – Medium Reports for Financial Fraud
The number 1273036584 has been tied to several reports of financial fraud. The callers often claim to be from a loan company, offering you quick and easy loans with no credit checks. However, once personal details are provided, the fraudsters may drain bank accounts or open credit lines in the victim’s name.
How to Protect Yourself
- Be wary of unsolicited loan offers, especially if they seem too good to be true.
- Monitor your bank accounts regularly and report any suspicious activity immediately.
6. 3301240997 – High Reports for Loan Scams
3301240997 is another high-reported spam number, linked primarily to loan scams. The calls often promise immediate loan approvals, even for people with bad credit. Once the victim shares personal information, the scammers may request an upfront fee, after which the loan never materializes.
How to Protect Yourself
- Avoid paying upfront fees for loans.
- Only work with FCA-regulated lenders and check reviews before engaging with any loan company.
7. 1413109863 – Low Reports for Insurance Scam
This number has been flagged for low-frequency reports related to insurance scams. The callers often claim to offer discounted rates on car insurance or other policies but require upfront payments or personal details to process the supposed deal.
How to Protect Yourself
- Research insurance offers independently rather than taking unsolicited calls.
- Use TrueCaller to verify the legitimacy of unfamiliar numbers.
8. 2038960345 – Medium Reports for Fake Prize Scams
2038960345 is another number that has garnered attention for being involved in fake prize scams. Callers may claim you’ve won a large sum of money or a holiday but require a payment or credit card information to claim the prize.
How to Protect Yourself
- Never give out personal or financial details to claim prizes, especially if you haven’t entered a contest.
- Block the number and report it to Action Fraud or Ofcom.
9. 1544329840 – Low Reports for Tax Scam
1544329840 is associated with tax-related scams, where the caller impersonates an official from HM Revenue and Customs (HMRC). These callers threaten legal action or arrest unless immediate payment is made.
How to Protect Yourself
- HMRC will never demand immediate payment over the phone.
- Hang up and call the official HMRC number to verify if the claim is legitimate.
10. 7714135818 – High Reports for Debt Collection Scams
7714135818 is frequently reported for being linked to debt collection scams. The callers often claim to be from a debt collection agency and threaten legal action or wage garnishment unless payment is made immediately. These scammers use high-pressure tactics to intimidate their victims.
How to Protect Yourself
- Always verify the legitimacy of any debt collection call by contacting the agency directly.
- Avoid providing any payment details over the phone.
How to Protect Yourself from Spam Calls
In addition to blocking specific numbers, there are several steps you can take to safeguard yourself from unwanted and potentially dangerous calls:
1. Register with the TPS (Telephone Preference Service)
The TPS is a free service that allows you to opt-out of unsolicited marketing calls. Registering with the TPS will reduce the number of spam calls you receive.
2. Use Call-Blocking Apps
There are several apps available that can help identify and block spam numbers, including TrueCaller and Hiya. These apps rely on user reports and databases to flag known spam numbers in real time.
3. Do Not Share Personal Information
Always be cautious when sharing your personal information over the phone. Never provide details like your bank account number, PIN, or passwords to unsolicited callers.
4. Report Suspicious Numbers
If you receive a spam call, report it to relevant authorities such as Action Fraud, Ofcom, or ICO. By reporting these numbers, you can help protect others from falling victim to scams.
Conclusion
Spam calls are a growing problem in the UK, and the numbers we’ve covered in this article are just a few of the many reported in 2025. By staying vigilant, using call-blocking tools, and reporting suspicious calls, you can protect yourself from falling victim to scams. Don’t let these spam numbers disrupt your life—take action today to secure your privacy and avoid falling into their traps.
Frequently Asked Questions (FAQs)
Q1: How can I stop receiving spam calls in the UK?
You can reduce spam calls by registering with the Telephone Preference Service (TPS), using call-blocking apps like TrueCaller, and avoiding answering calls from unknown numbers.
Q2: Are all robocalls spam?
Not all robocalls are spam. Some are legitimate, such as calls from companies you’ve signed up with or public services. However, if you didn’t expect the call, it’s always best to proceed with caution.
Q3: What should I do if I’ve fallen for a scam call?
If you’ve fallen victim to a scam, immediately contact your bank, report the incident to Action Fraud, and take steps to protect your personal information.
Q4: Can spam calls be traced?
Spam calls can often be traced, but it can be difficult to pinpoint the exact location of the caller due to the use of spoofed or fake numbers.
Q5: What are the legal repercussions for making spam calls in the UK?
Making unsolicited marketing or scam calls is illegal in the UK. Offenders can face fines or legal action from authorities such as Ofcom and the ICO.
Meta Description:
Explore the top reported spam phone numbers in the UK for 2025, including 2039301824, 1615263553, 1792722689, 2045876705, 1273036584, 3301240997, 1413109863, 2038960345, 1544329840, and 7714135818. Learn about the scams these numbers are linked to, such as robocalls, telemarketing fraud, loan scams, and impersonation scams. Find tips on blocking and reporting these numbers using tools like TrueCaller, TPS, and Action Fraud to protect yourself from phone scams and unwanted calls!
