Scam/Fraud
1 hour ago
Supposedly from Three telling me my SIM is about to be cut off. Phone call dropped out before they could explain.
Community overview
Community rating:
Limited data
2 user reports
First reported 8 Sep 2026
·
Last reported
1 hour
ago
About this number
Number formats
- UK format: 0333 188 5303
- International: +44 333 188 5303
Number details
- Number type: Non-geographic number
- Number range allocated to: Gamma Telecom Holdings Limited
Recent activity
UK visits
User Reports
Last 30 days: 29 UK visits and 2 public reports.
User Reports (2)
Unknown Caller
23 hours ago
Phoned, never left a message so blocked the number
Report this number
How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 0333 188 5303 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 0333 188 5303
- 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