Spam phone calls are a major annoyance for many people in the UK 1438989236 , and as the year 2025 rolls on, the issue of unwanted calls continues to grow. These calls can range from telemarketers to fraudsters, and they can disrupt daily life. In this article, we’ll take a closer look at some of the top reported spam phone numbers in the UK for 2025. We’ll explore each of these numbers, discussing their characteristics, why they are considered spam, and what you can do to block them.
We will also provide a helpful table summarizing these numbers for easy reference.
What Is Spam Calling?
Before diving into the specific numbers, it’s important to understand what qualifies as a spam call. A spam call is an unsolicited phone call made with the intention of promoting something, collecting personal information, or scamming the recipient. These calls often come from unknown numbers, and while some may be genuine marketing calls, many are not.
Spam callers often use tactics like pretending to be from legitimate companies, claiming that your account has been compromised, or offering a prize if you just share some personal details. The rise of spoofing technology allows scammers to hide their true identities, making it even harder to identify who’s really behind the call.
Now, let’s look at some of the top reported spam phone numbers in the UK in 2025.
Table of Reported Spam Numbers in the UK
| Phone Number | Reported Frequency | Type of Spam | Caller Location | Action to Take |
| 2080582684 | High | Robocall / Scam | London, UK | Block & Report |
| 3316307362 | Medium | Telemarketing | France | Block & Report |
| 7520615358 | High | Fraud | Unknown | Block & Report |
| 1438989236 | Medium | Cold Calling | UK | Block & Report |
| 1482293827 | High | Phishing | Unknown | Block & Report |
| 2039940750 | High | Scam / Fraud | UK | Block & Report |
| 7418370376 | Medium | Telemarketing | India | Block & Report |
| 1623205017 | High | Fraud / Scam | Unknown | Block & Report |
| 7701407206 | High | Robocall | UK | Block & Report |
| 2045029385 | Medium | Phishing | UK | Block & Report |
2080582684 – Robocall/Scam
One of the most commonly reported numbers in the UK, 2080582684, has been flagged for frequent robocalls and scam attempts. Callers from this number often claim to be from government agencies or financial institutions, demanding immediate payment or threatening legal action unless the recipient provides sensitive information.
Why Is It Spam?
This number is notorious for using automated systems to make large-scale robocalls. It’s often used by fraudsters attempting to scare people into paying for fake debts or offering fake prizes.
What to Do?
You should block this number immediately. If you receive a call, do not engage with the caller or share any personal information. Report the number to organizations like Ofcom or use apps like TrueCaller to report it as a spam number.
3316307362 – Telemarketing Calls
The number 3316307362 is associated with telemarketing calls from foreign companies. While not necessarily fraudulent, these calls can still be disruptive and annoying, especially when they come from international numbers.
Why Is It Spam?
This number is often used for telemarketing calls related to surveys, sales pitches, or promotions for services like insurance and loans. These types of calls are usually unwanted and can be persistent.
What to Do?
To stop these calls, you can block the number or add it to the Telephone Preference Service (TPS) if you’re in the UK. TPS is a free service that allows you to opt out of receiving unsolicited marketing calls.
7520615358 – Fraud
The number 7520615358 has been identified as a frequent source of fraud-related calls. These calls usually claim to be from major banks or tech support teams, asking the recipient to verify their personal or financial details.
Why Is It Spam?
This number is part of a scam ring that attempts to steal personal information or gain remote access to your devices. The callers typically use a convincing script to appear legitimate, but they are just looking for ways to scam people.
What to Do?
Do not engage with the caller. Block the number and report it immediately. It is important to alert others about this fraud to prevent further harm.
1438989236 – Cold Calling
1438989236 has been reported as a common cold calling number in the UK. Cold calls are typically unsolicited calls from businesses trying to sell products or services.
Why Is It Spam?
Cold calling is legal in many cases, but it’s still seen as spam when the calls are persistent or unsolicited. This particular number is frequently used by sales teams trying to push various products or services, which many people find intrusive.
What to Do?
If you don’t wish to receive cold calls, block the number or sign up for the TPS. If the calls become harassing, you may also want to file a complaint with Ofcom.
1482293827 – Phishing
The number 1482293827 has been reported for engaging in phishing attempts. These calls often impersonate legitimate organizations, such as banks or government bodies, asking for sensitive information like bank account details or National Insurance numbers.
Why Is It Spam?
Phishing calls are a major form of spam where the caller attempts to trick you into giving away personal information, which can then be used for identity theft or financial fraud.
What to Do?
Block this number and report it to relevant authorities. Never give personal information to unsolicited callers, especially if they ask for financial details.
2039940750 – Scam/Fraud
2039940750 has been flagged as a number used for scam-related activities. Often, the callers claim that there’s an issue with your bank account or that your account has been compromised.
Why Is It Spam?
This number is used by scammers pretending to be from banks or law enforcement agencies, attempting to convince victims to share sensitive financial information.
What to Do?
Block this number immediately, and report it to the ICO (Information Commissioner’s Office). Additionally, keep your bank details and passwords secure to prevent any further attempts at fraud.
7418370376 – Telemarketing from India
7418370376 is an international number originating from India. It’s reported for being used in telemarketing campaigns targeting UK residents.
Why Is It Spam?
This number is used by telemarketers pushing products or services, particularly for things like loans, insurance, and fake tech support. These calls can be especially annoying when they come at inconvenient times.
What to Do?
You can block the number or report it through apps like TrueCaller or directly to Ofcom. For frequent unsolicited calls, consider registering for the TPS.
1623205017 – Fraud/Scam
1623205017 is a highly reported fraud-related number. These calls are typically related to scams such as fake lottery wins, fake prizes, or fraudulent charity donations.
Why Is It Spam?
Fraudulent callers often use this number to lure people into scams by offering them something of value, like a prize, in exchange for payment or personal details.
What to Do?
If you receive a call from this number, do not engage. Block it immediately, and report it to your local authorities, such as the ICO or TrueCaller.
7701407206 – Robocall
7701407206 is another frequently reported number associated with robocalls. These calls are made using automated systems that attempt to sell services or products to individuals.
Why Is It Spam?
Robocalls can be a nuisance as they often come at inconvenient times, and many people find them intrusive. Though not always fraudulent, they are still a form of unsolicited marketing.
What to Do?
Block the number, and report it to Ofcom or TrueCaller. You can also sign up for the TPS to reduce the number of telemarketing calls you receive.
2045029385 – Phishing
The final number on our list is 2045029385, which is another frequent source of phishing attempts. Callers from this number may claim to be from government agencies, asking you to verify your personal details.
Why Is It Spam?
As with other phishing calls, the purpose of these calls is to steal sensitive information, including your bank account or personal identification number (PIN).
What to Do?
If you receive a call from this number, do not respond. Block the number and report it to TrueCaller, Ofcom, or ICO.
How to Protect Yourself from Spam Calls
1. Register with TPS
The Telephone Preference Service (TPS) is a free service that allows you to opt out of receiving unsolicited marketing calls. If you haven’t already, consider signing up to reduce the number of spam calls you receive.
2. Use Caller ID Apps
Apps like TrueCaller or WhoCalledMe can help identify and block spam numbers. These apps use community-driven databases to alert you about known spam and scam numbers.
3. Don’t Share Personal Info
If you’re ever unsure about a caller, don’t share personal details like your bank account or National Insurance number over the phone. Legitimate companies will never ask for sensitive information over the phone.
4. Report the Call
If you receive a spam call, report it to Ofcom, ICO, or use caller ID apps to help block and flag the number for others.
Conclusion
Spam calls are an ongoing issue for many people in the UK, but by staying vigilant and using tools like TPS, TrueCaller, and Ofcom, you can protect yourself from falling victim to scams or nuisance calls. The numbers mentioned in this article are some of the top reported spam numbers in 2025, and by blocking or reporting them, you can help reduce the impact of these calls on your life.
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