Unknown Caller
08 Dec 2025
Called while we were out, did not leave a message, so I reckon " out of the blue not for you (me)" is the best way to treat these calls!!
Community overview
Community rating:
Mixed
3 user reports
First reported 8 Dec 2025
·
Last reported
8 months
ago
User Reports (3)
Spam
08 Dec 2025
No one answers
Spam
08 Dec 2025
No one answers
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↑ Back to reportsHow to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 020 3424 9209 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 3424 9209
- 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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Learn more about TPS registrationAbout this number
Number formats
- UK format: 020 3424 9209
- International: +44 20 3424 9209
Number details
- Number type: Landline
- Number range allocated to: Nuso Cloud UK Limited
- Area: London
- Area code: 020