
As we move further into the digital age, one of the most pressing concerns for phone users in the UK remains the constant barrage of unsolicited spam calls. These calls can be from telemarketers, fraudsters, or even automated systems that seem to come from legitimate numbers, making it difficult for individuals to discern between spam and genuine calls.
Spam phone numbers often seem harmless at first, but they can cause significant annoyance and even lead to financial losses for vulnerable individuals. In this article, we will take a close look at some of the most reported spam phone numbers in the UK in 2025. Understanding these numbers can help users take action, avoid potential scams, and safeguard their privacy.
Here are some of the most commonly reported spam phone numbers across the UK:
Phone Number | Reported Issue | Caller Type | Frequency of Reports |
3316306615 | Persistent unsolicited calls | Telemarketing/Scam | High |
1218231410 | Financial scam attempts | Scam/Fraud | Moderate |
2080582684 | Robocalls related to fake services | Robocall/Fraud | High |
7520615358 | Attempts to access personal information | Phishing/Fraud | Moderate |
1283260467 | Lottery and prize scam calls | Scam/Fraud | High |
3316309149 | Continuous cold calls from international numbers | Scam/Fraud | High |
02080444164 | Fake calls claiming to be from banks or government | Scam/Impersonation | High |
+44 20 3912 7474 | Attempted financial fraud and phishing | Scam/Fraud | High |
02045722053 | Calls claiming suspicious account activity | Scam/Fraud | Moderate |
0113 467 9062 | Potentially fraudulent marketing calls | Telemarketing/Scam | Moderate |
Let’s delve deeper into each of these numbers, the reported issues associated with them, and how users can stay safe.
3316306615
This number is frequently reported as a source of unsolicited telemarketing calls. It is linked to various spam campaigns, where callers often use deceptive tactics to convince recipients to purchase unnecessary products or services. The callers may claim to be offering promotions or deals but are, in fact, attempting to sell low-quality goods or acquire personal information for fraudulent purposes. The frequency of complaints about this number makes it one of the most notorious on spam reporting websites.

Common Issues:
- Unsolicited calls
- Selling low-quality products
- Attempting to acquire personal information for fraud
User Safety Tip:
If you receive a call from this number, it’s best to avoid answering. You can block the number or report it to the Information Commissioner’s Office (ICO) for further investigation.
1218231410
This number has been linked to multiple scam attempts, particularly those trying to exploit individuals’ financial details. The calls often involve fraudulent claims about tax refunds or bank account issues. Scammers will attempt to scare individuals into sharing bank account numbers or even making urgent payments to avoid alleged fines.

Common Issues:
- Financial scam calls
- False claims about tax refunds or account issues
- Urgent requests for personal financial details
User Safety Tip:
Never share sensitive information, such as bank account numbers or passwords, over the phone. Always hang up and call your bank or the relevant authority directly using official contact details.
2080582684
Check Recent Spamming Numbers:
03316301300: : 03303413407: : 01615319571: : 01218241090: : 02039127474
This number is typically associated with robocalls, a form of automated scam. These calls are designed to play pre-recorded messages that attempt to sell fake services, such as fake loans or debt management services. Victims may be asked to press a number to connect to an agent, which can lead to aggressive sales tactics and even further attempts to scam individuals.
Common Issues:
- Robocall scams
- Fake loan and debt management offers
- Automated phishing tactics
User Safety Tip:
If you receive a robocall from this number, do not engage with the message. Simply hang up and report the number to the ICO or use a call-blocking app.
7520615358
Reports suggest that this number is frequently used in phishing attempts, where scammers seek to obtain sensitive personal information such as social security numbers, passwords, or bank details. Often, the callers may claim to be from legitimate organizations, such as government bodies or well-known corporations, in an attempt to gain trust.
Common Issues:
- Phishing calls
- Fraudulent claims about account security
- Requests for personal information
User Safety Tip:
Never provide personal or financial information over the phone unless you are certain of the caller’s identity. Always initiate contact with companies directly using trusted phone numbers.
1283260467
This number is commonly reported for being linked to lottery and prize scam calls. Victims receive a message or a call claiming they’ve won a large sum of money or valuable prizes. To collect the prize, the victim is asked to provide payment or bank details to cover “processing fees.” These calls often come with a sense of urgency, pressuring the recipient into providing details quickly.
Common Issues:
- Lottery scams
- Fake prize notifications
- Requests for upfront payments
User Safety Tip:
If you didn’t enter a lottery or competition, it’s highly likely that the call is a scam. Never pay money to claim a prize you didn’t expect to win.
3316309149
Much like the earlier entry, this number is another one that has been associated with high volumes of scam calls. The callers often claim to be representatives from well-known organizations, such as your bank or a government department, and they may ask for account details or other personal information under the guise of verifying your identity.
Common Issues:
- Impersonation of trusted organizations
- Requests for account information
- Financial fraud attempts
User Safety Tip:
Don’t trust unsolicited calls. If you think the call may be legitimate, hang up and contact the organization directly using the official contact information.
02080444164
This UK-based number has gained notoriety for being used in fraud attempts involving impersonation. Callers claiming to represent banks, government agencies, or even utility companies use this number to trick individuals into revealing sensitive information or making payments. In some cases, the call might even use automated systems to leave convincing voicemail messages about your supposed “urgent” financial situation.
Common Issues:
- Impersonation of legitimate organizations
- Fraudulent claims about account issues
- Requests for urgent payment or personal details
User Safety Tip:
If you receive a call from this number, don’t respond immediately. Research the number or contact the organization directly through official means.
+44 20 3912 7474
This number has been associated with high levels of reported scam activity in the UK. The scammers typically attempt to create a sense of urgency by claiming that the victim’s bank account is at risk or that there’s an issue with a recent transaction. The goal is to obtain banking details or to have the victim make a payment to resolve the supposed issue.
Common Issues:
- Financial scam attempts
- Requests for urgent payment or personal details
- Phishing for banking information
User Safety Tip:
Always be cautious about unsolicited calls. Do not provide personal information unless you’ve verified the caller’s identity independently.
02045722053
This number is associated with calls claiming suspicious activity on bank accounts. Scammers often impersonate security departments or fraud teams from well-known banks, using this number to create a sense of urgency. They may try to convince victims that their account is in danger and that immediate action is needed, including transferring funds or confirming account details.
Common Issues:
- Fake security calls from banks
- Claims of suspicious account activity
- Requests for immediate action
User Safety Tip:
Never respond to unsolicited calls about bank account security. If you suspect something is wrong, contact your bank directly using the official number.
0113 467 9062
This Leeds-based number is commonly associated with unsolicited marketing calls or scam attempts. Callers may claim to offer financial services, loans, or insurance. While these calls may sound legitimate, they often turn out to be part of a broader scam to gather sensitive personal details or to sell unnecessary services.
Common Issues:
- Unsolicited marketing
- Fraudulent financial offers
- Attempted phishing
User Safety Tip:
Be cautious about unsolicited calls, especially those that promise financial products or services. If the offer seems too good to be true, it probably is.
Conclusion
In 2025, spam calls remain a persistent issue for mobile and landline users across the UK. The numbers listed in this article represent some of the most reported spam numbers, many of which are tied to scams ranging from financial fraud to impersonation and phishing attempts.
While the technological landscape continues to evolve, users must remain vigilant when receiving unsolicited calls, especially when the caller pressures them for sensitive information or money. A key strategy for managing these risks includes not engaging with unknown or suspicious callers and making use of call-blocking apps or services to mitigate potential threats. Additionally, reporting such numbers to the relevant authorities helps combat the rise of these intrusive calls.
By staying informed and cautious, you can better protect yourself from falling victim to these harmful scams and ensure your privacy remains secure.