Unknown Caller
4 days ago
Silent call, unknown & flagged as scam.
Community overview
Community rating:
Mixed
4 user reports
First reported 20 Aug 2026
·
Last reported
4 days
ago
About this number
Number formats
- UK format: 020 3504 9247
- International: +44 20 3504 9247
Number details
- Number type: Landline
- Number range allocated to: Core Telecom Limited
- Area: London
- Area code: 020
Recent activity
UK visits
User Reports
Last 30 days: 235 UK visits and 4 public reports.
User Reports (4)
Unknown Caller
17 days ago
Typical spam call
Unknown Caller
17 days ago
Unknown didn't answer
Unknown Caller
17 days ago
It’s an unknown number so I didn’t answer
Report this number
↑ Back to reportsHow to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 020 3504 9247 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 3504 9247
- 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