Spam
2 months ago
Spam-called three times in a row, ringing only a couple of times before hanging up. Did not answer.
Community overview
Community rating:
Negative
4 user reports
First reported 25 Aug 2026
·
Last reported
2 months
ago
About this number
Number formats
- UK format: 020 3400 9949
- International: +44 20 3400 9949
Number details
- Number type: Landline
- Number range allocated to: Colt Technology Services
- Area: London
- Area code: 020
Recent activity
UK visits
User Reports
Last 30 days: 6 UK visits and 0 public reports.
Reported categories
Based on 4 public user reports
Scam/Fraud
50% (2)
Spam
25% (1)
Unknown Caller
25% (1)
User Reports (4)
Unknown Caller
2 months ago
Didn't recognise so didn't answer. Have blocked it.
Scam/Fraud
2 months ago
Didnt answer
Scam/Fraud
2 months ago
These bombarded my mobile 4 times within less than a minuite im currently seriously ill have no voice and all numbers not in phone get blocked sutomatically so ive no way to find out exactly who they are so suspicious
Reported caller:
No Idea
Report this number: 020 3400 9949
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 020 3400 9949 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 3400 9949
- 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