Scam and spam phone calls are a growing concern in the UK, with countless individuals falling victim to fraudsters each year. As technology evolves, so do the tactics used by these scammers, making it essential to stay informed about the numbers frequently reported for suspicious activity. In this article, we will break down the most reported spam phone numbers in the UK for 2025, helping you stay one step ahead.
Why You Should Be Wary of Spam Calls
Spam calls are not just a minor inconvenience; they can pose serious financial and personal security risks. Scammers often use tactics like phishing, impersonation, and aggressive sales pitches to trick people into revealing sensitive information or making unintentional payments. Recognizing the warning signs can protect you and your loved ones from falling victim to these schemes.
List of Top Reported Spam Numbers in the UK (2025)
Here are some of the most reported spam phone numbers in the UK this year. We have compiled this list based on data from various call reporting platforms, user feedback, and official sources like Ofcom, WhoCalledMe, and TrueCaller.
| Phone Number | Type of Scam | Frequency of Reports | Common Complaints |
| 01615274971 | Automated Scam | High | Fake HMRC, tax fraud |
| 01702660930 | Energy Sales | Moderate | Pushy energy switch |
| 03301248035 | Debt Collection | High | Fake debt collection |
| 01423645008 | Insurance Scam | Moderate | Fake accident claims |
| 07441107428 | Courier Scam | High | Fake delivery fees |
| 01615316278 | Tech Support | High | Fake IT support |
| 01234237085 | Bank Fraud | High | Phishing, fake alerts |
| 03332421450 | Warranty Scam | Moderate | Extended warranty pitch |
| 01615316131 | Government Scam | High | Fake legal threats |
| 01214243333 | Financial Scam | High | Investment scams |
Detailed Breakdown of Each Number
01615274971 – Automated Scam Calls
This Manchester-based number has been widely reported for automated scam calls claiming to be from the HMRC. Victims often receive a pre-recorded message warning of unpaid taxes and threatening legal action if immediate payment is not made. Such calls are designed to create a sense of urgency and fear, tricking victims into providing sensitive financial information.
01702660930 – Aggressive Energy Sales
Originating from the Southend-on-Sea area, this number is known for persistent calls pushing unwanted energy contracts. Callers often pressure individuals into switching energy suppliers, sometimes using misleading claims about potential savings.
03301248035 – Fake Debt Collection
This number is associated with aggressive debt collection scams, where callers falsely claim that the recipient owes significant amounts of money. They may use threatening language to coerce immediate payments, even if no actual debt exists.
01423645008 – Insurance Scam
This Harrogate-based number is known for fake accident claims, often pretending to offer compensation for non-existent car accidents. They usually aim to extract personal information under the guise of processing a claim.
07441107428 – Courier Delivery Scam
This mobile number is linked to fraudulent parcel delivery scams. Victims report receiving texts or calls claiming that a package cannot be delivered without an additional fee, attempting to steal payment information.
01615316278 – Fake Tech Support
This number is part of a widespread tech support scam where callers pretend to be from well-known companies like Microsoft. They claim to have detected security issues on your device and request remote access to fix the supposed problem.
01234237085 – Bank Phishing Scams
Based in Bedford, this number has been reported for phishing attempts posing as legitimate banks. Callers may ask for bank details or security codes, often claiming that your account has been compromised.
03332421450 – Warranty Scam Calls
This number is known for persistent extended warranty pitches, often targeting car owners. Callers claim that your vehicle warranty is about to expire, urging immediate action to extend coverage.
01615316131 – Government Impersonation Scams
Another Manchester number frequently associated with government impersonation scams. Callers threaten arrest or legal action, claiming to represent various government agencies to extract payments.
01214243333 – Financial and Investment Scams
This Birmingham-based number is known for aggressive investment scam pitches, promising high returns in exchange for upfront payments or sensitive financial information.
How to Protect Yourself from Spam Calls
- Use Call-Blocking Apps: Tools like TrueCaller, RoboKiller, and Hiya can help filter out known spam numbers.
- Register with TPS: The Telephone Preference Service (TPS) can reduce unwanted sales calls in the UK.
- Report Suspicious Numbers: Use platforms like WhoCalledMe, Ofcom, or the ICO to report and track spam numbers.
- Never Share Personal Info: Avoid providing personal or financial information over the phone unless you are sure of the caller’s identity.
- Stay Alert for Phishing Tactics: Be wary of any unsolicited call demanding urgent action, payment, or sensitive information.
Conclusion
Staying informed about the latest spam numbers and tactics can significantly reduce your risk of falling victim to phone scams. Always verify the caller’s identity, use reliable call-blocking tools, and report suspicious numbers to help others stay protected. Remember, if something feels off, it probably is. Stay safe and stay aware in 2025!
FAQs
1. How do I stop receiving spam calls in the UK?
Register your number with the Telephone Preference Service (TPS) and use call-blocking apps like TrueCaller or Hiya.
2. What should I do if I receive a suspicious call?
Hang up immediately, block the number, and report it to platforms like Ofcom, TPS, or the ICO.
3. Can I get compensation for receiving spam calls?
In some cases, you may be eligible for compensation if the call violates privacy laws.
4. How can I verify if a number is a scam?
Use online tools like WhoCalledMe or TrueCaller to check if a number has been reported as spam.
5. Are spam calls illegal in the UK?
Yes, many types of spam calls are illegal, especially those involving fraud or deceptive sales tactics.
Meta Description:
Stay safe from scams in 2025! Discover the top reported spam phone numbers in the UK, including 01615274971, 01702660930, 03301248035, 01423645008, 07441107428, 01615316278, 01234237085, 03332421450, 01615316131, and 01214243333. Learn how to identify, block, and report suspicious calls.
