07544 535971
Unknown CallerSam as the other comment. Message read transferred number mum. I replied who is this and the response said 'guess who'
2 reports
• Last report 14 minutes ago
This number is a landline operated by Gamma Telecom Holdings Limited and located in London, England. The overall user rating for this number is Negative. The number 02039053821 has been searched 829 times, with 7 user comments 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: Negative
- User reports: 7 user reports
- Searches: 829
- Last reported: about 1 hour ago
- First reported: about 2 months ago
- Typical call time: before 12pm (73% of calls)
Number profile
- UK format: 020 3905 3821
- International: +442039053821
- Number type: Landline
- Carrier: Gamma Telecom Holdings Limited
- Area: London
- Area code: 020
User Reports (7)
Your reports help others decide whether to answer calls from this number. Share your experience to help the community!
Scam/Fraud
22 days ago
Said they were from O2 and they were replacing SIM cards
Unknown Caller
27 days ago
Stated as suspected spam so I didn't answer the call
Spam
1 month ago
Said she was calling from 02 clearly wasn't, otherwise she would have known my name and details, tried to say something was wrong with my Sim card! and that she would send a new one, where to? if she doesn't know who i am
Unknown Caller
1 month ago
Did not recognize number so didn't answer. No message left. Security software flagged it as suspected spam
Unknown Caller
2 months ago
Telephone call from 0203 3905 3820, figured it may be held by same people. It's 🚫 not a number I recognise so didn't answer. No message left.
Reported locations
Reported from 21 UK cities
Coventry, Croydon, East Ham, West Ham, Wolverhampton, Batley, Tullibody, Bradford, Wychbold, Heslington, Gateshead, London (Colindale), Tonyrefail, Carrickfergus, Middlesbrough, Merthyr Tydfil, Manchester, Kings Lynn, Pudsey, Washington, Immingham
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 020 3905 3821 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 3905 3821
- 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
01280 852488
SpamAlways calling but don't speak Don't know who they are
6 reports
• Last report 16 minutes ago
020 4578 8746
Unknown CallerNothing. I gave my phone no. and they hung up.
5 reports
• Last report 21 minutes ago
0330 057 6023
TelemarketerAt least once a week calls, hangs up in 3 seconds after saying nothing.
2 reports
• Last report 29 minutes ago
0161 394 2995
Scam/FraudIndian call centre pretending to be you phone provider.
1 report
• Last report 32 minutes ago
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Call Costs
Calling 02039053821 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 02039053821 directly.
International callers should dial +44 20 3905 3821 or 0044 20 3905 3821. No leading zero is required when dialling abroad, e.g., +44(0)2039053821.