Unknown Caller
7 months ago
Received a call- didn’t answer it but searched here and decided to block - I don’t answer unknown numbers
Community overview
Community rating:
Negative
8 user reports
First reported 31 Jan 2024
·
Last reported
7 months
ago
About this number
Number formats
- UK format: 020 4571 8735
- International: +44 20 4571 8735
Number details
- Number type: Landline
- Number range allocated to: Voxbone SA
- Area: London
- Area code: 020
Reported categories
Based on 8 public user reports
Unknown Caller
63% (5)
Scam/Fraud
25% (2)
Spam
13% (1)
User Reports (8)
Unknown Caller
12 Nov 2025
Three calls in one day - morning, lunchtime and late afternoon. No messages left. Now blocked.
Spam
11 Nov 2025
Random call about consultancy business
Scam/Fraud
01 Feb 2024
3 mobile
Unknown Caller
31 Jan 2024
Scam , hangs up now blocked
Unknown Caller
31 Jan 2024
They keep ringing so I just don't answer now - it's spam
Unknown Caller
31 Jan 2024
Answer and hung up
Scam/Fraud
31 Jan 2024
SCAM!!!
Report this number: 020 4571 8735
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 020 4571 8735 and tap the info icon (i)
- Scroll down and tap Block this Caller
- Confirm by tapping Block Contact
On Android
- Open the Phone app and tap the 3-dot menu
- Go to Call history or Recents
- Long press on 020 4571 8735
- Select Block number or Block/report spam
On Landline Phones
Several options are available for UK landlines:
- BT Call Protect - free for BT customers
- TalkTalk CallSafe - free for TalkTalk customers
- Call blocking devices like CPR Call Blocker (available on Amazon)
Register with TPS (Telephone Preference Service)
The TPS is a free service for UK consumers that allows you to opt out of unsolicited sales and marketing calls.
Learn more about TPS registration