020 4646 9993
Also shown as:
- 020 4646 9993
- +44 20 4646 9993
AI Summary
Based on 1 community report
This London-based number is generating spam reports, with callers claiming to be from Three (3) Mobile. They offer a "better deal" in exchange for changing your SIM card. This is a common phishing tactic used to steal your phone number and personal information. Three will never call you out of the blue to change your SIM. Do not provide any personal details or agree to any changes. Contact Three directly through their official website if you have any concerns about your account.
1 verified report
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
1 totalThey said they were from Three and wanted to change my sim to get me a better deal.
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About 020 4646 9993
What type of number is 020 4646 9993?
The phone number 020 4646 9993 (also written as +44 20 4646 9993) 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 4646 9993 safe to answer?
Based on 1 community report, this number has been frequently reported as spam or a potential scam. The current risk score is 80% 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 4646 9993
- Country
- 🇬🇧 United Kingdom
- Network
- Gamma Telecom Holdings
- Area
- London
- Type
- Geographic
- First Seen
- 21 Jan 2026
Protection Guides
How to Block This Number
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Caller ID Spoofing
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Report to Ofcom
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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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