020 8153 3812
Also shown as:
- 020 8153 3812
- +44 20 8153 3812
AI Summary
Based on 2 community reports
This London number is being used to run SIM card scams targeting mobile customers. Callers falsely claim to be from Three or Vodafone, warning that your SIM card will stop working within days and offering to send a replacement. They then ask for personal details like email addresses to "confirm" the new card. When people refuse to provide information, the scammers hang up immediately.
This is a classic social engineering scam designed to steal your personal data or potentially hijack your mobile account. Legitimate mobile networks will never cold-call about urgent SIM replacements or ask for sensitive information over the phone. If you receive this type of call, hang up and contact your mobile provider directly using the number on your bill or their official website to verify if there are any genuine issues with your account.
2 verified reports
Cumulative spam score based on all reports up to each month. Higher percentage means higher reported scam risk. Cumulative spam score based on all reports up to each week. Higher percentage means higher reported scam risk. Cumulative spam score based on all reports up to each day. Higher percentage means higher reported scam risk.
Most helpful reports
2 totalcalled to say they were from Three, my sim card will stop working in 3 days, have sent a new one, but needed my email to confirm it. when I said no, they hung up straight away.
Call from Vodafone saying my SIM card would soon stop working.
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About 020 8153 3812
What type of number is 020 8153 3812?
The phone number 020 8153 3812 (also written as +44 20 8153 3812) is a UK landline number originating from the London area in Greater London . Calls to this number are charged at standard UK landline rates, usually included in call packages.
Is 020 8153 3812 safe to answer?
Based on 2 community reports, this number has been frequently reported as spam or a potential scam. The current risk score is 75% with 1 report marking it as spam .
Exercise extreme caution if you receive a call from this number. Do not share personal or financial information.
More on nuisance calls
Safety Score
Details
- Tel Number
- 020 8153 3812
- Country
- 🇬🇧 United Kingdom
- Network
- Voiceflex
- Area
- London
- Type
- Geographic
- First Seen
- 02 Feb 2026
Protection Guides
How to Block This Number
Step-by-step instructions for iPhone, Android, and landlines
Caller ID Spoofing
Scammers can make any number appear on your phone, including your bank's real one. How spoofing works, how to spot it, and what to do if your own number is being used.
Report to Ofcom
How to report nuisance calls officially
Location
London, United Kingdom
This number originates from the London area code region. The map shows the general geographic area, not an exact location.
Call Types
Breakdown of reported call reasons. Larger segments and bars represent a bigger share of reports.
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