They told me that O2 and virgin had merged and all o2 sim cards were going to stop working
Community overview
3 user reports
About this number
Number formats
- UK format: 020 7663 9789
- International: +44 20 7663 9789
Number details
- Number type: Landline
- Number range allocated to: Colt Technology Services
- Area: London
- Area code: 020
Reported categories
Based on 3 public user reports
User Reports (3)
From Tesco and the SIM card was being changed
Sim card scam
Report this number: 020 7663 9789
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 020 7663 9789 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 7663 9789
- Select Block number or Block/report spam
On Landline Phones
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- BT Call Protect - free for BT customers
- TalkTalk CallSafe - free for TalkTalk customers
- Call blocking devices like CPR Call Blocker (available on Amazon)
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