Spam calls have become an ever-growing nuisance for mobile phone users in the UK, with scammers and telemarketers attempting to target unsuspecting individuals. The rise in spam calls has made it more important than ever for people to be aware of the phone numbers that are frequently reported as spam. In this article, we will discuss some of the most reported spam phone numbers in the UK 3316309077 for 2025, provide a detailed breakdown of each, and highlight how you can protect yourself from these unwanted calls.
Quick Overview of Spam Calls in the UK
In recent years, spam calls have continued to skyrocket. According to recent statistics, millions of people across the UK have experienced receiving unsolicited calls on a regular basis. The calls often come from numbers that appear local or familiar, making it difficult for individuals to recognize them as spam right away. Many of these calls are from scammers looking to steal personal information, while others are simply marketing calls from companies trying to sell products or services.
The advent of technology and the use of VoIP (Voice over Internet Protocol) systems has made it easier for fraudsters to spoof phone numbers and mask their true identity. This has led to a significant increase in the number of reports filed by people across the UK. Fortunately, tools like WhoCalledMe, TrueCaller, and government services like Ofcom and TPS are available to help identify and report spam calls.
List of Most Reported Spam Numbers
Below is a list of the top reported spam phone numbers in the UK for 2025. These numbers have been flagged multiple times by users and services as potential spam. The table provides an overview of these numbers, along with details about why they are considered suspicious and what people have said about them.
| Phone Number | Location/Type | Reported Issues | Why It’s Considered Spam | Reported By |
| 1234247239 | Unknown/VoIP | Persistent Calls | Likely marketing or scam | WhoCalledMe, TrueCaller |
| 1388436857 | Unknown | Aggressive Selling | Unsolicited sales calls | Ofcom, TPS |
| 3316309077 | France | Fraudulent Activity | Attempted scam for bank info | TrueCaller |
| 3301240410 | Unknown | Harassment | Robo-calls for fake prizes | ICO, TPS |
| 1708956207 | UK (Mobile) | Debt Collection | Debt collector harassment | WhoCalledMe |
| 1204565865 | UK (Mobile) | Fake Charities | Fake charity donation scams | Ofcom |
| 2080444031 | Unknown | Robo Calls | Automated voice message | TrueCaller |
| 1656337649 | UK (Landline) | Survey Scam | Offering fake surveys | TPS |
| 1218241090 | UK (Mobile) | Spoofed Identity | Impersonating official organizations | WhoCalledMe |
| 3316307811 | France | Phishing Attempt | Attempted phishing scam | TrueCaller |
Detailed Breakdown of Each Number
Now, let’s dive deeper into the individual numbers and the specifics of why they are frequently reported as spam.
1. 1234247239
Location/Type: Unknown/VoIP
Reported Issues: Persistent Calls
Why It’s Considered Spam: This number is frequently reported by individuals receiving persistent calls that are either silent or have pre-recorded messages asking the recipient to press numbers for further options. These types of calls are typically associated with robocalls or sales pitches that people didn’t sign up for.
Reported By: WhoCalledMe, TrueCaller
2. 1388436857
Location/Type: Unknown
Reported Issues: Aggressive Selling
Why It’s Considered Spam: Users have reported that this number is tied to aggressive marketing or sales tactics. Calls from this number often include high-pressure sales pitches for financial products or services, such as loans or insurance.
Reported By: Ofcom, TPS
3. 3316309077
Location/Type: France
Reported Issues: Fraudulent Activity
Why It’s Considered Spam: This number is linked to attempts by fraudsters to gather sensitive personal and banking information. Callers claiming to be from a bank or financial institution often contact victims to ‘verify’ account details, which is actually an attempt to commit identity theft.
Reported By: TrueCaller
4. 3301240410
Location/Type: Unknown
Reported Issues: Harassment
Why It’s Considered Spam: This number is associated with robocalls that often come with a recorded message offering fake prizes, loans, or debt relief services. These scams aim to trick individuals into providing their personal information or paying for services they don’t need.
Reported By: ICO, TPS
5. 1708956207
Location/Type: UK (Mobile)
Reported Issues: Debt Collection
Why It’s Considered Spam: This number has been flagged for being used by aggressive debt collectors. Many individuals have reported receiving daily calls from this number, with automated messages or live agents demanding immediate payment for debts, often without verifying the legitimacy of the claims.
Reported By: WhoCalledMe
6. 1204565865
Location/Type: UK (Mobile)
Reported Issues: Fake Charities
Why It’s Considered Spam: This number is often used by scammers posing as charitable organizations. They pressure people into making donations to fake causes, using emotional appeals or misleading statements about where the money will go.
Reported By: Ofcom
7. 2080444031
Location/Type: Unknown
Reported Issues: Robo Calls
Why It’s Considered Spam: Users have reported receiving automated voice calls from this number. Robo calls are typically made to offer services or collect personal information under false pretenses. This particular number is known for leaving voicemails with urgent messages about a supposed problem with the recipient’s account or services.
Reported By: TrueCaller
8. 1656337649
Location/Type: UK (Landline)
Reported Issues: Survey Scam
Why It’s Considered Spam: This number is often associated with fraudulent survey calls that promise prizes or rewards in exchange for personal information. Victims of this scam have reported being asked for bank details or other sensitive information, only to find out that the prize does not exist.
Reported By: TPS
9. 1218241090
Location/Type: UK (Mobile)
Reported Issues: Spoofed Identity
Why It’s Considered Spam: This number is used to impersonate official organizations, such as government bodies or well-known companies. The purpose of these calls is typically to create a sense of urgency or importance, prompting individuals to take actions such as providing personal details or making payments.
Reported By: WhoCalledMe
10. 3316307811
Location/Type: France
Reported Issues: Phishing Attempt
Why It’s Considered Spam: The number has been linked to phishing scams, where individuals receive calls pretending to be from their bank or an online service. The scammers attempt to gather personal data, such as account numbers or login credentials.
Reported By: TrueCaller
How to Protect Yourself from Spam Calls
Receiving spam calls can be frustrating, but there are several steps you can take to protect yourself from them.
1. Use Call-Blocking Apps
Many apps, such as TrueCaller, WhoCalledMe, and Hiya, allow users to identify and block known spam numbers. These apps use crowdsourced data to update their databases of spam numbers, so you can avoid answering calls from suspicious sources.
2. Register with the Telephone Preference Service (TPS)
TPS is a free service that allows you to opt-out of unsolicited marketing calls. By registering your number, telemarketers will be legally required to stop calling you.
3. Block Unwanted Numbers
If you receive a spam call, block the number immediately. Most smartphones allow you to block numbers directly from the call log or settings menu. This will stop the caller from reaching you again.
4. Report Spam Calls
Report spam numbers to services like Ofcom, TrueCaller, and WhoCalledMe. The more people report these numbers, the more these services can track and warn others about them.
5. Be Cautious with Personal Information
Never share personal details like your bank account or passwords over the phone, especially if you didn’t initiate the call. Legitimate companies will never ask for sensitive information via unsolicited calls.
Conclusion: Stay Safe and Vigilant
Spam calls in the UK continue to rise in 2025, with fraudsters and telemarketers using a wide variety of tactics to target individuals. By staying informed about the most reported spam numbers, using call-blocking apps, and registering with TPS, you can significantly reduce the risk of falling victim to these scams.
If you receive any of the numbers listed in this article, it’s advisable to block and report them immediately. Remember, your personal information is valuable, and it’s crucial to protect it from scams. Stay vigilant and always be cautious when receiving unsolicited calls!
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