020 3504 1843
Also shown as:
- 020 3504 1843
- +44 20 3504 1843
AI Summary
Based on 9 community reports
This London number has a high spam score based on community reports. Callers are claiming to be from various companies, including Uber Eats, National Grid, and even making bizarre claims to be calling from Pornhub. Some reports describe aggressive behaviour and attempts to pressure people about their energy usage, while others mention silent calls. The lack of upvotes on reports means we can't be fully confident about the details. It's wise to be cautious and avoid sharing any personal or business information if you receive a call from this number.
9 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
9 totalThis number keeps on calling. I need it to stop.
Told us they were from Uber Eats as we are a takeaway.
Keeps calling and arguing, speaking over you!
Tried to call me saying 02
Tried to call me saying pornhub
pretending to be from our energy provider, very aggressive
Said they were calling from National Grid to complain about our energy usage
Silent call.
Got a call from this number, asking about energy suppliers for my buisness. Had a similar call yesterday about card providers. Probably a scam.
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About 020 3504 1843
What type of number is 020 3504 1843?
The phone number 020 3504 1843 (also written as +44 20 3504 1843) 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 3504 1843 safe to answer?
Based on 9 community reports, this number has been frequently reported as spam or a potential scam. The current risk score is 93% with 7 reports 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 3504 1843
- Country
- 🇬🇧 United Kingdom
- Network
- Core Telecom
- Area
- London
- Type
- Geographic
- First Seen
- 21 Jan 2026
Protection Guides
How to Block This Number
Step-by-step instructions for iPhone, Android, and landlines
Silent and Abandoned Calls
Your phone rings, you answer, and nobody speaks. What causes silent and abandoned calls in the UK, when to worry, and how to report them to Ofcom.
HMRC Tax Scam Calls
How fraudsters pretend to be HMRC and threaten arrest over fake tax debts, or offer bogus refunds to steal your details. How to spot them and what to do.
Bank Impersonation Calls
How fraudsters pose as your bank's fraud team, spoof their number, and trick you into moving money. What to look out for and what to do.
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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