Unknown Caller
5 months ago
Answered call but no one spoke. Suspicious caller.
Reported caller:
Not declared
Community overview
Community rating:
Negative
5 user reports
First reported 21 Apr 2026
·
Last reported
5 months
ago
About this number
Number formats
- UK format: 020 7862 1920
- International: +44 20 7862 1920
Number details
- Number type: Landline
- Number range allocated to: Colt Technology Services
- Area: London
- Area code: 020
User Reports (5)
Spam
5 months ago
I didn’t speak…nor was there any speech from the other end. After 20 seconds the call was disconnected (not by me!) Based on other reports I’d say it was spam.
Spam
5 months ago
I answered but no one spoke the other end. Spam caller
Unknown Caller
5 months ago
Said nothing
Spam
5 months ago
Answered but no one spoke the other end. Spam caller
Report this number
↑ Back to reportsHow to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 020 7862 1920 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 7862 1920
- 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