Not sure
2 rings hung up,looks like a Bromley number
020 4642 2520 +44 20 4642 2520
Landline number from London, range allocated to BT · Also written +44 20 4642 2520
Mixed reports020 4642 2520 has 1 report on Who Calls You: 0 marked as spam, 0 as safe and 1 not sure. Last report 1 week ago.
Did 020 4642 2520 call or text you? Tell others in a few seconds:
About 020 4642 2520
020 4642 2520 is a UK landline number from London (area code 020). It sits in the block 020 4642 xxxx, which Ofcom allocated to BT on 31 October 2025. In the last 30 days it was looked up 8 times on Who Calls You, 5 of them in the past week, most recently yesterday. It has one report, sent on 28 October 2026. Calling it back costs the same as a normal UK call. We first listed it on 28 October 2026, when a visitor reported it.
Number details
- UK format
- 020 4642 2520
- International
- +44 20 4642 2520
- No spaces
- 02046422520
- No spaces with +44
- +442046422520
- 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.
Numbers in the same range (020 4642 xxxx)
020 4642 2520 is in the number block 020 4642 xxxx (10,000 numbers), allocated by Ofcom to BT on 31 Oct 2025.
We know 1 other number from this block, but nobody has reported it yet.
- 020 4642 9766 London · 0 reports No reports yet
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: 8 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 4642 2520
1 report · 0% say spam
0 spam 0 safe 1 not sure
Report 020 4642 2520
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 4642 2520
Who called me from 020 4642 2520?
020 4642 2520 is a UK landline number from London, range allocated to BT. 020 4642 2520 has 1 report on Who Calls You: 0 marked as spam, 0 as safe and 1 not sure. It is also written as +44 20 4642 2520, 02046422520 or +442046422520. 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 4642 2520 a scam?
0 of 1 people who reported 020 4642 2520 marked it as spam or unwanted (0%). 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 4642 2520?
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.