Spam calls have become a significant nuisance in the UK, with scammers constantly evolving their tactics to target unsuspecting individuals. As we move into 2025, it’s essential to stay vigilant and informed about the most reported spam numbers. In this article, we’ll explore some of the top reported spam phone numbers in the UK, what makes them suspicious, and how you can protect yourself from these potentially harmful calls.
Quick Overview of the Most Reported Spam Numbers
Below is a table summarizing the most frequently reported spam phone numbers in the UK for 2025, along with their common call types and user feedback.
| Phone Number | Call Type | Common Complaints | Risk Level |
| 02080587791 | Robocall | Automated messages, silent calls | High |
| 01916968300 | Scam | Fake HMRC, tax scams | High |
| 02080448944 | Telemarketing | Unwanted sales, energy services | Medium |
| 03316306277 | Phishing | Bank fraud attempts | High |
| 03316306599 | Robocall | Automated warranty scams | High |
| 02882480140 | Debt Collection | Aggressive collection tactics | Medium |
| 020 3912 7474 | Scam | Fake compensation offers | High |
| 01656337649 | Robocall | Silent calls, nuisance calls | Medium |
| 01544329845 | Scam | Impersonation of government agencies | High |
| 03330038533 | Telemarketing | Unsolicited insurance offers | Medium |
Detailed Insights into the Top Reported Numbers
02080587791 – Persistent Robocalls
This number has been widely reported for making automated robocalls, often with pre-recorded messages or silent calls that disconnect when answered. Many users have reported that these calls are relentless, often happening multiple times a day. Given the high volume of complaints, it’s clear this number is a major nuisance.
Why It’s Suspicious:
- Automated messages or dead air
- Calls at odd hours
- High frequency of calls
What You Can Do:
- Block the number using your phone settings or a call-blocking app like TrueCaller.
- Report the number to Ofcom or TPS to help prevent further harassment.
01916968300 – Fake HMRC and Tax Scams
This number is notorious for posing as HMRC or other tax authorities, threatening users with arrest or legal action if immediate payment is not made. Such scams prey on fear and confusion, often targeting vulnerable individuals.
Why It’s Suspicious:
- Threatening language
- Requests for personal information
- Urgent payment demands
What You Can Do:
- Never share personal or financial information over the phone.
- Verify the legitimacy of the call by contacting HMRC directly.
02080448944 – Unwanted Telemarketing
Often used for aggressive sales tactics, this number has been linked to unsolicited calls promoting energy services, insurance, and other unwanted offers. While less harmful than outright scams, these calls can still be highly disruptive.
Why It’s Suspicious:
- Frequent, unsolicited calls
- High-pressure sales tactics
- No clear opt-out option
What You Can Do:
- Register your number with the TPS to reduce unwanted marketing calls.
- Block the number if the calls persist.
03316306277 – Bank Phishing Scams
This number has been connected to sophisticated phishing attempts, where callers pose as bank representatives to trick you into revealing sensitive financial information.
Why It’s Suspicious:
- Requests for account verification
- Urgent warnings about account breaches
- Attempts to gain security codes
What You Can Do:
- Hang up immediately and call your bank using a trusted number.
- Report the number to the ICO or your bank’s fraud team.
03316306599 – Automated Warranty Scams
This number is known for automated calls claiming your car warranty is about to expire, urging you to purchase an extended plan. These calls are often misleading and aim to extract financial details.
Why It’s Suspicious:
- Automated scripts
- Pressure to act quickly
- Requests for credit card information
What You Can Do:
- Ignore these calls or hang up immediately.
- Use a call-blocking app to prevent future interruptions.
02882480140 – Aggressive Debt Collection
Linked to aggressive and often misleading debt collection tactics, this number has been reported for trying to pressure individuals into making immediate payments.
Why It’s Suspicious:
- Harassing or threatening language
- Demands for immediate payment
- Inconsistent caller ID information
What You Can Do:
- Request written verification of the debt before making any payments.
- Report the number to the FCA or ICO if you feel harassed.
020 3912 7474 – Fake Compensation Offers
Callers from this number often claim to offer compensation for accidents or financial losses, typically as a ploy to gather personal information.
Why It’s Suspicious:
- Offers too good to be true
- High-pressure tactics
- Requests for personal details
What You Can Do:
- Do not share personal information.
- Report the number to the ICO or TPS.
01656337649 – Silent Nuisance Calls
This number is known for making silent calls that hang up when answered, causing significant annoyance and concern for recipients.
Why It’s Suspicious:
- No response when answered
- Repeated calls
- No caller identification
What You Can Do:
- Block the number.
- Report it to your phone provider or Ofcom.
01544329845 – Government Impersonation Scams
Often associated with fake government calls, this number has been linked to attempts to trick individuals into sharing sensitive information under the guise of legal or tax issues.
Why It’s Suspicious:
- Claims to be from government agencies
- Threats of legal action
- Demands for payment
What You Can Do:
- Hang up and contact the legitimate agency directly.
- Report the call to Ofcom or TPS.
03330038533 – Unsolicited Insurance Offers
This number is frequently reported for aggressive telemarketing, particularly for insurance products that you may not need or want.
Why It’s Suspicious:
- Repeated, unsolicited calls
- High-pressure sales tactics
- Lack of clear opt-out options
What You Can Do:
- Block the number to stop further calls.
- Register with TPS to reduce such calls in the future.
How to Block and Report These Calls
If you’re receiving calls from these numbers or similar ones, consider taking the following steps to protect yourself:
- Use call-blocking apps like TrueCaller or Hiya.
- Register your number with the TPS to reduce unwanted calls.
- Report spam numbers to Ofcom or the ICO to help prevent future scams.
Final Thoughts
While it’s impossible to eliminate spam calls entirely, staying informed and vigilant can significantly reduce your risk. Don’t hesitate to block suspicious numbers and report them to the proper authorities. Remember, if it sounds too good to be true, it probably is.
Also read this: Top Reported Spam Phone Numbers in UK (2025)
