Spam
1 month ago
Spam call continuously for other day
Community overview
Community rating:
Negative
4 user reports
First reported 15 Jun 2026
·
Last reported
1 month
ago
About this number
Number formats
- UK format: 020 3504 8197
- International: +44 20 3504 8197
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: 1 UK visit 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)
Scam/Fraud
3 months ago
Supposedly O2. I don’t use o2
Scam/Fraud
3 months ago
Claim to be O2 mobile, O2 do not operate outside call centers
Unknown Caller
4 months ago
Unknown caller. Similar number from the same area was called 40 mins ago
Report this number: 020 3504 8197
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 020 3504 8197 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 8197
- 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 registration