020 4620 2901
Unknown CallerDidn't recognise the number on my mobile so didn't answer. Didn't leave a message, so can't be anyone I know.
2 reports
• Last report 1 minute 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 02034356137 has been searched 165 times, with 1 user comment helping to identify the caller's intent.
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At a glance
Community signals
- Community rating: Negative
- User reports: 1 user report
- Searches: 165
- Last reported: 2 months ago
- First reported: 2 months ago
- Typical call time: before 11am (95% of calls)
Number profile
- UK format: 020 3435 6137
- International: +442034356137
- Number type: Landline
- Carrier: Gamma Telecom Holdings Limited
- Area: London
- Area code: 020
User Reports (1)
Your reports help others decide whether to answer calls from this number. Share your experience to help the community!
Reported locations
Reported from 21 UK cities
West Thurrock, Antrim, Fordham, Birmingham, Meriden, Reading, Hinchley Wood, Portsmouth, London, Girvan, Surbiton, Middlewich, Meltham, Bromborough, Colne, Buckland Monachorum, Kennington, Sheffield, Bedford, Batley, Leiston
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 020 3435 6137 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 3435 6137
- 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
01306 230817
Scam/FraudPRETENDING TO CALL FROM THREE
2 reports
• Last report 1 minute ago
0114 352 0101
Unknown CallerLet the call go straight to the answer machine but they hung up before it kicked in. Probably a scam
3 reports
• Last report 1 minute ago
07537 173869
Unknown Caller2 rings No voice message Twice in 3 hours
14 reports
• Last report 2 minutes ago
01488 310707
Unknown CallerPut the phone down as soon as I picked up
3 reports
• Last report 3 minutes ago
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Call Costs
Calling 02034356137 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 02034356137 directly.
International callers should dial +44 20 3435 6137 or 0044 20 3435 6137. No leading zero is required when dialling abroad, e.g., +44(0)2034356137.