0116 360 1825
Scam/FraudThey called me saying are from Three network and asked for my email and then sent a passcode on my number. They...
3 reports
• Last report less than a minute ago
This number is a landline operated by Gamma Telecom Holdings Limited and located in London, UK. The overall user rating for this number is Neutral. The number 02038369711 has been searched 1237 times, with 1 user comment helping to identify the caller's intent.
Your comment helps others identify this number. Thank you for contributing!
At a glance
Community signals
- Community rating: Neutral
- User reports: 1 user report
- Searches: 1237
- Last reported: almost 3 years ago
- First reported: almost 3 years ago
- Typical call time: before 12pm (61% of calls)
Number profile
- UK format: 020 3836 9711
- International: +442038369711
- Number type: Landline
- Carrier: Gamma Telecom Holdings Limited
- Area: London
- Area code: 020
- Trending since: 05 Aug 2026
User Reports (1)
Your reports help others decide whether to answer calls from this number. Share your experience to help the community!
Unknown Caller
16 Aug 2023
Continuous calls from this number after recently receiving security codes from O2 I didn’t ask for. Have now blocked the number
Reported locations
Reported from 20 UK cities
Bolton, Braintree, Chepstow, Swindon, Hartlepool, Aberdeen, Kingston upon Thames, Bury St Edmunds, Trowbridge, Stirling, Uxbridge, Caerphilly, Golders Green, Southend-on-Sea, Sheffield, Redhill, Gresford, London, Stanwell, Banbury
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 020 3836 9711 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 3836 9711
- 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 registrationLatest reports
01296 329713
Unknown CallerCalled at 10:18. Left no message
3 reports
• Last report 3 minutes ago
0330 127 5220
Unknown CallerWhen you answer they say nothing, called about 5 times over 2 days.
1 report
• Last report 3 minutes ago
01793 569384
RobocallSilent call.
4 reports
• Last report 5 minutes ago
01204 583320
TelemarketerAnswered and then hung up without saying a word.
5 reports
• Last report 10 minutes ago
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Recommended Guides
Call Costs
Calling 02038369711 from a landline may cost up to 16p per minute. Many providers charge a 23p call set-up fee. Call packages often include these types of calls. You might not incur additional charges for calling this number, depending on your provider.
Dialling Instructions
Local UK callers can dial 02038369711 directly.
International callers should dial +44 20 3836 9711 or 0044 20 3836 9711. No leading zero is required when dialling abroad, e.g., +44(0)2038369711.