Who rang me in the UK - Who Calls You UK Reverse Phone Number Lookup Report a number

020 3876 7900 +44 20 3876 7900

Landline number from London, range allocated to BT · Also written +44 20 3876 7900

Reported as spam

020 3876 7900 has 1 report on Who Calls You: 1 marked as spam, 0 as safe. Last report 2 weeks ago.

Did 020 3876 7900 call or text you? Tell others in a few seconds:

It was spam or a scam It was genuine Not sure Read 1 report
1Report · read ↓
100%Marked as spam
11Lookups, last 30 days
26 Oct 2026First reported

About 020 3876 7900

020 3876 7900 is a UK landline number from London (area code 020). It sits in the block 020 3876 xxxx, which Ofcom allocated to BT on 16 February 2016. One other number from that block has reports on Who Calls You (100% marked as spam). In the last 30 days it was looked up 11 times on Who Calls You, 6 of them in the past week, most recently today. It has one report, sent on 26 October 2026, describing it as scam or fraud. Calling it back costs the same as a normal UK call. We first listed it on 24 October 2026.

Number details

UK format
020 3876 7900
International
+44 20 3876 7900
No spaces
02038767900
No spaces with +44
+442038767900
Number type
Landline
Location
London
Area code
020
Range allocated to
BT

Cost to call: Normal rate · Landline (02). A normal UK landline call, included in the minutes of most landline and mobile plans. UK call costs

Landline numbers for London (020), Cardiff (029), Northern Ireland (028) and a few other areas. Calls cost the same as a normal UK landline call.

Network details come from UK numbering allocations. The number may have moved to another provider since, and this does not show who made a call.

020 3876 7900 - who called me from 020 3876 7900? Landline phone number from London, caller reports and spam check

Numbers in the same range (020 3876 xxxx)

020 3876 7900 is in the number block 020 3876 xxxx (10,000 numbers), allocated by Ofcom to BT on 16 Feb 2016.

On Who Calls You, 1 other number from this block has 1 report in total, 100% marked as spam.

Companies and call centres often use numbers from one block, so reports about nearby numbers can be a useful hint. They are not proof about this number: blocks are shared, and numbers can be moved to another provider.

Recent activity

Last 30 days: 11 lookups and 1 report on Who Calls You.

Hover or tap a bar to see that day's reports.

SpamSafeNot sureBar height = reports that day

Reports about 020 3876 7900

1 report · 100% say spam

1 spam 0 safe 0 not sure

Scam or fraud 1

Spam Scam or fraud · Phone call

No comment added.

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Report 020 3876 7900

How did they contact you?
What was it?

Do not include names, addresses or other personal details. Read our rules.

What you should do

  • Do not share personal or bank details with an unexpected caller. Banks, HMRC and the police never ask for PINs, passwords or one-time codes.
  • Do not call back blindly. If the caller claims to be a company, contact it on the number from its official website, your card or a letter. For your bank you can call 159. Should you call back an unknown number?
  • Block the number if the calls are unwanted (see below).
  • Report it above, and report scams to Action Fraud. Forward scam texts to 7726 for free.

Caller ID can be faked. Scammers can make any number appear on your screen, including real numbers of real businesses or people. A report here is information to help you decide, not proof of who called.

Questions about 020 3876 7900

Who called me from 020 3876 7900?

020 3876 7900 is a UK landline number from London, range allocated to BT. 020 3876 7900 has 1 report on Who Calls You: 1 marked as spam, 0 as safe. It is also written as +44 20 3876 7900, 02038767900 or +442038767900. We do not show who owns a number. Caller ID can be faked, so check the reports and never share personal details with a caller you do not know.

Is 020 3876 7900 a scam?

1 of 1 people who reported 020 3876 7900 marked it as spam or unwanted (100%). Reports are personal experiences, not proof. If a caller asks for money, codes or bank details, hang up and contact the organisation on its official number.

How do I block 020 3876 7900?

On iPhone open Recents, tap the (i) next to the number and choose Block Caller. On Android open the call log, press and hold the number and choose Block. On a landline, ask your provider about free call blocking such as BT Call Protect.