Scam/Fraud
7 months ago
Said my SIM card will be deactivated and new sim be sent out possibly scammers
Community overview
Community rating:
Negative
5 user reports
First reported 23 Feb 2026
·
Last reported
7 months
ago
About this number
Number formats
- UK format: 020 7864 6537
- International: +44 20 7864 6537
Number details
- Number type: Landline
- Number range allocated to: Colt Technology Services
- Area: London
- Area code: 020
Reported categories
Based on 5 public user reports
Spam
60% (3)
Scam/Fraud
40% (2)
User Reports (5)
Spam
7 months ago
Ive had the same
Scam/Fraud
7 months ago
Claiming to be from the three network, these callers have nothing to do with the three network. Do not pay attention to anything they say tell them that you know they’re not from the Three network and then disconnect the call.
Spam
7 months ago
Spam call to say my phone will be disconnected
Spam
7 months ago
Told my sim card is going to be deactivated. Persistent caller. Text 7726 for to report spam call.
Report this number: 020 7864 6537
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 020 7864 6537 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 7864 6537
- 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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