Spam phone calls, also known as unsolicited or unwanted calls, have become a significant concern for phone users in the UK. These calls often come from numbers that either disguise their true identity or impersonate legitimate businesses, causing confusion and frustration among recipients. Despite various measures to block these calls, spam numbers are continually evolving, making it essential to stay updated on the most notorious phone numbers. In this article, we explore some of the top reported spam phone numbers in the UK for 2025, offering a closer look at each one and providing valuable insights on how to deal with them.
Table of Contents:
- Introduction
- Overview of Spam Calls
- Top Reported Spam Numbers in the UK (2025)
- 03301749754
- 01182286719
- 02036701438
- 01217329501
- 0800 652 0266
- 02080754322
- 02045722127
- 01483974485
- +44 20 8058 0162
- 07520619042
- 03301749754
- How to Protect Yourself from Spam Calls
- Conclusion
Introduction
In 2025, the problem of spam calls continues to grow, with many people in the UK facing unsolicited calls from unknown or suspicious numbers. These calls can range from fraudulent schemes attempting to steal personal information to marketing calls that disrupt daily life. The issue has been exacerbated by advancements in technology, allowing scammers to spoof phone numbers, making it harder to identify the caller. As a result, it is important to remain vigilant about the top reported spam phone numbers in the UK and take steps to protect yourself.
Spam calls are a major annoyance and, in some cases, a potential threat to your financial and personal security. To help consumers in the UK, we have compiled a list of some of the most reported spam phone numbers in 2025. The list includes both local and international numbers that have been frequently flagged as sources of nuisance or scam calls.
Overview of Spam Calls
Spam calls in the UK can come from various sources. Some are cold calls from telemarketers trying to sell products or services, while others may involve fraudsters attempting to obtain sensitive personal information or financial details. The rise of robocalls, where pre-recorded messages are played automatically to recipients, has only increased the reach of these spam operations. Many of these numbers claim to be from well-known companies, banks, or government agencies to build trust and deceive people into sharing information.
Common spam call tactics include:
- Impersonation of legitimate businesses or authorities: Calls claiming to be from banks, the HMRC, or telecommunications companies.
- Prize or lottery scams: Where callers inform individuals they have won a prize, but need to pay fees or provide bank details to claim it.
- Survey or research calls: Attempting to gather personal data under the guise of market research.
- Debt collection or loan offers: Often fraudulent offers to consolidate debt or provide loans with very high interest rates.
By understanding these tactics and being aware of the phone numbers associated with spam calls, you can take proactive steps to avoid falling victim to such schemes.
Top Reported Spam Numbers in the UK (2025)
In the table below, we provide a detailed breakdown of some of the top reported spam numbers in the UK for 2025. These numbers have been flagged by multiple users and spam call databases due to their involvement in nuisance calls, scams, or persistent cold calling. Each entry includes a brief description of the nature of the calls, their frequency, and how you can deal with them.
| Phone Number | Type of Spam | Frequency of Reports | Caller ID / Description |
| 03301749754 | Nuisance Calls / Potential Scam | High | Often associated with fraudulent offers for loans or credit. |
| 01182286719 | Telemarketing / Scam | High | Commonly reported as a call offering loans or credit, sometimes involving aggressive tactics. |
| 02036701438 | Robocalls / Survey Scam | High | Recorded message offering a fake prize or survey, requesting personal information. |
| 01217329501 | Fake Bank or HMRC Calls | Moderate | Callers impersonating HMRC or banks, claiming urgent action on outstanding payments. |
| 0800 652 0266 | Scam / Debt Collection | Moderate | Reported as a debt collection scam, requesting payment for a debt that doesn’t exist. |
| 02080754322 | Loan Scam / Financial Scam | High | Offers fraudulent loans or credit schemes, often requesting upfront fees. |
| 02045722127 | Automated Survey / Prize Scam | Moderate | Callers claiming you have won a prize, requiring payment of taxes or fees to claim it. |
| 01483974485 | Unsolicited Sales Calls | Moderate | Frequent marketing calls trying to sell insurance, services, or fake products. |
| +44 20 8058 0162 | Impersonation of Financial Institutions | High | Fake calls from institutions, asking for sensitive financial information. |
| 07520619042 | Fraudulent Loan Offers | Moderate | Claims to offer easy loan approvals but asks for upfront payment or bank details. |
03301749754
This number is frequently reported as a source of loan scams. Callers from this number often claim to offer personal loans or credit, but they require upfront payments or bank details to proceed with the application. Users have reported aggressive tactics, such as persistent calls and threatening language if an individual does not comply with their demands.
01182286719
Check Recent Spamming Numbers:
02037879203: : 01213927485: : 03316301300: : 01615316278: : 01782580403
Commonly flagged for telemarketing and potential scam activities, this number is often associated with offers for loans or credit cards. The callers typically use high-pressure sales tactics, pushing recipients to sign up for loans or credit with extremely high interest rates. If you receive a call from this number, it’s advisable to block it immediately.
02036701438
This number has been linked to robocalls and fraudulent surveys. The recorded message usually claims that you’ve won a prize, but to claim it, you need to provide personal details or pay a fee. This type of scam often plays on the excitement of receiving a prize and leads victims to unknowingly share personal information.
01217329501
This number is often associated with calls impersonating the HMRC (Her Majesty’s Revenue and Customs) or financial institutions. Scammers using this number typically claim that you owe back taxes or have unpaid fees. The caller may threaten legal action or arrest if you do not provide payment immediately, creating a sense of urgency that pressures people into complying.
0800 652 0266
Often reported for fraudulent debt collection scams, this number is used to trick individuals into paying non-existent debts. The callers may claim to be collecting money for a past due debt and may demand immediate payment through various methods, including bank transfers or gift cards. It’s a common tactic used by scammers to exploit vulnerable individuals.
02080754322
This number is frequently tied to loan scams, where the caller claims to offer quick loans or financial assistance. However, the catch is that victims must first pay an upfront fee or provide sensitive banking details. The loan is often never provided, and the individual loses money to the scammer.
02045722127
Many reports about this number indicate that it is used in automated prize or lottery scams. The call typically offers a large sum of money or valuable items in exchange for a fee to cover supposed taxes or administrative costs. In reality, these prizes do not exist, and the caller simply takes the payment without delivering any reward.
01483974485
This number is known for unsolicited sales calls. Often used by aggressive marketers, the callers may try to sell a variety of products, from insurance policies to unnecessary services. These calls can be particularly annoying as they often come at inconvenient times.
+44 20 8058 0162
Frequently reported for impersonating financial institutions, this number often claims to be from a bank or loan company. The caller may ask for sensitive information, such as bank account details or passwords, under the guise of confirming a loan application or processing a transaction.
07520619042
Another common number used for loan scams, this number has been linked to offers of quick loans or credit. The scammers typically ask for upfront payments, promising that the loan will be approved once payment is received. However, the loan is never issued, and the scammer disappears with the money.
How to Protect Yourself from Spam Calls
While spam calls are hard to avoid entirely, there are several steps you can take to protect yourself:
- Register with the Telephone Preference Service (TPS): This is a free service that allows you to opt out of unsolicited sales and marketing calls. By registering, you can reduce the number of marketing calls you receive.
- Block Unknown Numbers: Many modern smartphones have built-in features that allow you to block unknown or private numbers. You can also install third-party apps that automatically filter spam calls.
- Don’t Answer Suspicious Numbers: If you don’t recognize a number, avoid answering the call. If it’s important, the caller will likely leave a voicemail.
- Report Spam Numbers: If you receive a spam call, report it to your mobile carrier or the relevant authorities. Reporting helps track and block known spam numbers.
Conclusion
Spam calls remain a persistent issue in the UK, with numerous phone numbers involved in scams and nuisance calls. By being aware of the most reported spam numbers in 2025, such as those listed above, you can take proactive steps to avoid falling victim to fraud. Always remain cautious when answering unknown calls, and don’t hesitate to report suspicious numbers. With awareness and vigilance, you can better protect yourself from the growing problem of spam calls in the UK.
