
The increasing use of mobile phones has also seen a significant rise in spam and scam calls. In 2025, people in the UK have reported a growing number of nuisance calls coming from various phone numbers. These calls often claim to be from legitimate sources like banks, utility companies, or government departments, but their true intention is often to either steal personal information, perform fraudulent activities, or bombard users with unsolicited marketing.
While many of these numbers can be blocked, they tend to change or use multiple different numbers to continue their activities. Here’s a closer look at some of the most reported spam numbers currently causing issues in the UK, in 2025.
Table: Top Reported Spam Phone Numbers in the UK (2025)
Phone Number | Location/Region | Spam Type | Reason for Report | Risk Level |
02038597221 | London | Fraud | Claims to be a bank asking for account details | High |
02030055852 | London | Telemarketing | Unsolicited sales pitch for financial services | Medium |
02080584107 | London | Fraud | Impersonating government agency for tax payment | High |
01216303064 | Birmingham | Fraud | Claims to be from a utility company | High |
01904904162 | Yorkshire | Phishing | Pretends to be a telecom provider asking for personal details | High |
03301240411 | Nationwide | Scam | Fake loan offering to collect payment | High |
01234247239 | West Midlands | Telemarketing | Unwanted marketing calls for car insurance | Medium |
01388436857 | Worcestershire | Fraud | Pretending to be from HMRC, demanding immediate payment | High |
03316309077 | Nationwide | Telemarketing | Offering fake vacation deals and requesting payment details | Medium |
0161 884 1854 | Manchester | Scam | Fake debt collection call | High |
02038597221 (London)
The number 02038597221 has been widely reported by UK residents as one of the top offenders in 2025. This number is associated with fraudulent activity, with scammers pretending to be from a legitimate bank. These callers often ask individuals to verify their account details or provide sensitive information, claiming that there is an issue with their bank account. The goal of these calls is to steal banking credentials and access accounts for financial theft.

Spam Type: Fraud
Reason for Report: The calls often involve fraudulent claims about bank accounts, requesting personal details.
Risk Level: High
Advice: Hang up immediately, and contact your bank using official contact information. Never share your bank details over the phone.
02030055852 (London)
This number has frequently been reported as a source of unsolicited telemarketing calls. It is commonly associated with financial services companies pushing various products such as loans, credit cards, or insurance. While not necessarily a scam, these types of calls can be highly disruptive, and many recipients have expressed their frustration with the aggressive marketing tactics.
Spam Type: Telemarketing
Reason for Report: Persistent unsolicited sales pitches, especially related to financial products.
Risk Level: Medium
Advice: You can request to be placed on the company’s do-not-call list. If the calls persist, block the number.
02080584107 (London)
Another major culprit in 2025 is 02080584107, a number frequently reported for fraud. This number typically claims to be from a government agency, such as HMRC (Her Majesty’s Revenue and Customs), and demands immediate tax payments. The scammer may threaten legal consequences if the payment is not made quickly, often asking for payment via non-traditional channels like gift cards or bank transfers.
Spam Type: Fraud
Reason for Report: Impersonating a government agency, threatening legal action for non-payment.
Risk Level: High
Advice: Never make any payments without verifying the legitimacy of the claim. Contact HMRC directly using their official contact details.
01216303064 (Birmingham)
01216303064 has been reported as another fraudulent number, often pretending to be from utility companies like gas or electricity providers. The scam typically involves claims of overdue payments and the threat of services being cut off unless immediate payment is made. These calls may seem legitimate, but they are designed to pressure individuals into transferring money to scammers.

Spam Type: Fraud
Reason for Report: Pretends to be from a utility company, demanding urgent payment.
Risk Level: High
Advice: Always check with your utility provider directly if you receive unexpected calls of this nature.
01904904162 (Yorkshire)
This phone number has been associated with phishing scams. Callers impersonating telecom providers often ask for personal details like your name, address, date of birth, and bank account information. The purpose is typically to steal identity details, which can later be used for fraud.
Spam Type: Phishing
Reason for Report: False claims of being from a telecom provider, requesting personal details.
Risk Level: High
Advice: Never share personal or financial information over the phone unless you’re certain of the caller’s identity. Always contact the company directly using verified details.
03301240411 (Nationwide)
03301240411 is a phone number linked to a fraudulent loan offering scam. The callers claim to offer easy loans with low-interest rates and minimal requirements. However, the scam is a typical advance-fee fraud: they ask for upfront payments, and once paid, the loan never materializes.
Spam Type: Scam
Reason for Report: Offering fake loans and collecting upfront fees.
Risk Level: High
Advice: Avoid loan offers that seem too good to be true. Do not pay any upfront fees for loans.
01234247239 (West Midlands)
This number is primarily linked to telemarketing calls, specifically for car insurance. The calls are often disruptive and can happen multiple times a day. Although the offers may seem legitimate, many people have reported feeling harassed by the constant communication from this number.
Check Recent Spamming Numbers:
07418368807: : 0113 467 9062 : : 02045722053: : +44 20 3912 7474: : 02080444164
Spam Type: Telemarketing
Reason for Report: Persistent and unwanted marketing for car insurance.
Risk Level: Medium
Advice: Ask to be removed from the call list, and consider blocking the number to stop further calls.
01388436857 (Worcestershire)
01388436857 has made the list of reported scam numbers, with scammers pretending to be from HMRC (Her Majesty’s Revenue and Customs). These calls typically involve threats of arrest or legal action unless a payment is made immediately. The scammers often ask for payment in unconventional ways, such as via gift cards or wire transfer.
Spam Type: Fraud
Reason for Report: Impersonating HMRC and threatening legal action.
Risk Level: High
Advice: HMRC never demands immediate payment over the phone. If you receive such a call, report it and do not make any payments.
03316309077 (Nationwide)
03316309077 has been reported for marketing fake vacation deals. These scammers offer so-called discounted vacation packages, which require immediate payment. Once payment is made, the vacation package is nonexistent, and the scammer disappears with the victim’s money.
Spam Type: Telemarketing
Reason for Report: Offering fake vacation deals and collecting payment details.
Risk Level: Medium
Advice: Be cautious of unsolicited travel offers. Always research the company and its offerings before making any payments.
0161 884 1854 (Manchester)
The final number in our list, 0161 884 1854, has been linked to a scam involving fake debt collection calls. The caller typically claims that you owe money, and if you do not pay immediately, they will initiate legal proceedings. These calls often intimidate people into paying money they do not owe.
Spam Type: Scam
Reason for Report: Impersonating a debt collection agency and threatening legal action.
Risk Level: High
Advice: Always verify any debt claims by contacting the company or creditor directly. Never pay without official documentation.
How to Protect Yourself from Spam Calls
The increasing number of reported spam calls can be worrying, but there are steps you can take to protect yourself:
- Block Spam Numbers: Most modern smartphones come with built-in features to block or silence spam calls. Additionally, third-party apps like Truecaller or RoboKiller can help identify and block spam numbers.
- Don’t Share Personal Information: Never give out personal or financial information over the phone unless you’re certain of the caller’s identity.
- Check Caller ID: Be wary of calls from unfamiliar or international numbers, especially if they ask for urgent action.
- Register with the Telephone Preference Service (TPS): This free service allows you to opt out of unsolicited marketing calls. You can register online, and it will help reduce the number of marketing calls you receive.
- Report Spam Calls: If you receive a spam or scam call, report it to the relevant authorities or organizations like Action Fraud or the Information Commissioner’s Office (ICO).
Conclusion
Spam calls and scams continue to be a significant issue in the UK in 2025, with fraudsters using a variety of tactics to trick people into handing over personal information or money. The numbers listed above are among the most commonly reported sources of these types of calls. By staying vigilant, blocking suspicious numbers, and reporting scams, you can reduce the risk of falling victim to these fraudulent activities. Always remember that no legitimate company will ever ask for sensitive information via phone or demand immediate payments without verification.