Unknown Caller
7 months ago
Did not say anything. After a few seconds silence (I said nothing except to repeat my number, a land line), they rang off.
Community overview
Community rating:
Negative
8 user reports
First reported 28 Mar 2026
·
Last reported
7 months
ago
About this number
Number formats
- UK format: 020 4632 6435
- International: +44 20 4632 6435
Number details
- Number type: Landline
- Number range allocated to: Gamma Telecom Holdings Limited
- Area: London
- Area code: 020
Recent activity
UK visits
User Reports
Last 30 days: 1 UK visit and 0 public reports.
Reported categories
Based on 8 public user reports
Unknown Caller
50% (4)
Spam
25% (2)
Scam/Fraud
13% (1)
Telemarketer
13% (1)
User Reports (8)
Unknown Caller
7 months ago
Unrecognised number, missed call, no message left, waste of time. TPS.
Telemarketer
7 months ago
Yet another energy adviser for my area! Carried on with her spiel even after being told twice that we weren't interested. Number now blocked.
Unknown Caller
7 months ago
She claimed to be an energy advisor covering my area and asked if I am the home owner. I said no I am not and no respond and did not hang up either
Scam/Fraud
7 months ago
Loft insulation scam
Reported caller:
Robot?
Spam
7 months ago
Loft insulation. It was propbably an automated robot as it did not respond to any questions asked of it . Therefore, I could not get the name of the compaany.
Unknown Caller
7 months ago
They said nothing, waiting for me to speak.
Spam
7 months ago
Loft insulation check
Report this number: 020 4632 6435
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 020 4632 6435 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 4632 6435
- 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)
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