
Spam calls remain a persistent problem for mobile users worldwide, and the UK is no exception. With the rapid evolution of technology, scam artists have become more sophisticated, making it harder to avoid falling victim to fraudulent calls. In 2025, several phone numbers have been flagged as commonly reported spam, causing concern among UK residents. This article will delve into some of the most frequently reported spam phone numbers in the UK, providing details, and tips on how to handle such calls.
Quick Overview of Spam Calls in the UK
Spam calls are unsolicited, often annoying, and sometimes fraudulent calls made by scammers or telemarketers. These calls can lead to identity theft, financial losses, or simply inconvenience and frustration. According to recent reports, over 30 million spam calls are made in the UK every day. With the growth of robocalls, scam calls are more frequent and harder to identify.
Why Are These Numbers Reporting as Spam?
Many numbers on the “spam list” are used by telemarketing companies, fraudsters, or organizations engaging in unethical practices such as phishing, where they attempt to steal personal information. Others may be related to automated calls from loan or insurance companies. As a result, these numbers are flagged by various tools such as WhoCalledMe, TrueCaller, and other call-blocking apps.

To help users identify potential spam calls, we have compiled a list of the top reported spam phone numbers in the UK for 2025. Below, we will dive into each number and explain why it has been flagged and how you can protect yourself.
List of Top Reported Spam Phone Numbers
Phone Number | Reported As | Reason for Spam Report | Action to Take |
2080589329 | Telemarketing | Loan & Insurance Scams | Block & Report |
1964271004 | Fraudulent | Phishing | Block & Report |
2046195786 | Robocall | Debt Collection | Block & Report |
1202022910 | Scam | Fake Lottery or Prize Scams | Block & Report |
3316307343 | Telemarketing | Unsolicited Sales | Block & Report |
2033410108 | Fraudulent | Financial Scams | Block & Report |
3303413752 | Scam | PPI Claim Scams | Block & Report |
1202158180 | Telemarketing | Survey or Poll Scams | Block & Report |
1204891727 | Robocall | Charity Scams | Block & Report |
2034752480 | Fraudulent | Debt Recovery Scams | Block & Report |
Check Recent Spamming Numbers:
01634535585 : : 040855989821 : : 01618200299 : : 07441902976 : : 01162018000
1. 2080589329 – Loan & Insurance Scams
One of the most reported numbers in 2025, 2080589329, is associated with loan and insurance scams. Often, these calls claim to offer lucrative loans or insurance policies, but the ultimate goal is to gather personal details such as your bank account number, social security number, or other sensitive information for fraudulent purposes.
What to Do:
- Do not engage: If you pick up, hang up immediately.
- Report: Use apps like TrueCaller or WhoCalledMe to report this number as spam.
- Block: Most phones allow you to block unwanted numbers directly.
2. 1964271004 – Phishing Attempts
The number 1964271004 has been flagged for being used in phishing scams. Phishing scams often disguise themselves as legitimate organizations, such as banks, to trick victims into providing login credentials or other sensitive data. These scammers frequently impersonate government agencies or financial institutions.
What to Do:
- Verify the source: Call the company back using an official number to verify if the call was legitimate.
- Do not give personal information: Never provide personal data over the phone unless you are sure the call is legitimate.
3. 2046195786 – Debt Collection Scams
If you’ve received a call from 2046195786, it’s likely a robocall associated with fake debt collection attempts. Fraudsters use these calls to intimidate individuals into paying fictitious debts or fees. They often threaten legal action or immediate consequences if payment is not made.
What to Do:
- Hang up immediately: If it’s an automated or robotic voice, it’s best to hang up right away.
- Verify your debt: If the claim seems genuine, contact your financial institution directly.
4. 1202022910 – Fake Lottery/Prize Scams
The number 1202022910 is commonly associated with fake lottery or prize-winning scams. Scammers claim that you’ve won a significant prize, such as a car or a large sum of money, and require you to pay processing fees or taxes before you can claim your winnings.
What to Do:
- Do not send money: Legitimate lotteries never ask for payment to claim a prize.
- Report it: Notify the authorities if you have any doubts about the legitimacy of such calls.
5. 3316307343 – Unsolicited Sales Calls
Unsolicited sales calls continue to plague UK residents, and 3316307343 is one of the leading offenders. This number has been flagged for making unsolicited offers for various products and services, such as home improvement, insurance policies, and more.
What to Do:
- Use call-blocking apps: Many apps, like TrueCaller, can help you block sales calls before they even reach you.
- Register with TPS: The Telephone Preference Service (TPS) allows you to opt out of unsolicited sales calls.
6. 2033410108 – Financial Scams
2033410108 has been reported for its involvement in fraudulent financial activities. Scammers using this number might claim to be offering loans, investment opportunities, or other financial services, asking for upfront payments or personal details.
What to Do:
- Be skeptical of unsolicited financial offers: Always check the legitimacy of any financial opportunities.
- Report it: Report these numbers to the ICO or use the FCA to confirm if the company is registered.
7. 3303413752 – PPI Claim Scams
The number 3303413752 is typically linked with PPI (Payment Protection Insurance) claim scams. Fraudsters often claim they can help you recover a PPI refund, but will ask for a percentage of the payout or personal information.

What to Do:
- Do not pay upfront: You are under no obligation to pay for PPI services.
- Check the company’s legitimacy: Contact your bank directly to inquire about any PPI claims.
8. 1202158180 – Survey or Poll Scams
Many unsolicited calls come in the form of surveys or polls, and 1202158180 is commonly associated with such scams. These calls might claim to be conducting a survey, but the intention is to collect your personal information or convince you to purchase something you don’t need.
What to Do:
- Hang up: If you don’t trust the call, it’s best to simply hang up.
- Report the call: Many call-blocking apps allow you to report these types of calls.
9. 1204891727 – Charity Scams
Charity scams are especially dangerous as they prey on your goodwill. The number 1204891727 has been linked to fraudulent calls pretending to raise funds for a charity. Scammers exploit people’s generosity to steal money.
What to Do:
- Do your research: If you want to donate, do so by contacting the charity directly using verified contact details.
- Block and report: Block the number and report it to the authorities.
10. 2034752480 – Debt Recovery Scams
Debt recovery scams, such as those associated with 2034752480, can cause serious distress. These scammers claim you owe money and demand immediate payment, often using threats of legal action.
What to Do:
- Don’t panic: Always verify any debt recovery claim by contacting your creditor directly.
- Block the number: Use a call-blocking app to prevent further contact.
How to Protect Yourself from Spam Calls
Spam calls can be incredibly frustrating, but there are ways to protect yourself from falling victim to scams:
- Use Call-Blocking Apps: Apps like TrueCaller and WhoCalledMe allow users to identify spam calls and block them.
- Register with TPS: The Telephone Preference Service helps stop unsolicited sales calls, making it easier to avoid scams.
- Do Not Engage: If a call seems suspicious, hang up immediately. Engaging with scammers can lead to further attempts.
- Report the Number: Report any spam calls to the ICO or other relevant authorities to help protect others.
- Install a Spam Filter: Many phones come with built-in spam filters that can help reduce the number of unwanted calls.
Conclusion
Spam calls in the UK continue to be a significant nuisance, with new numbers frequently surfacing. However, by staying vigilant and utilizing modern tools, you can reduce your chances of falling victim to these types of scams. If you’ve encountered any of the numbers listed above, it’s important to report them and block them to protect yourself and others from potential harm.
Remember, do not provide any personal information over the phone unless you’re certain of the caller’s legitimacy. Always prioritize your privacy and security by taking proactive measures against spam calls.