07938 583490
Unknown Callerrang a few times and stopped. I expect it's a scam call.
2 reports
• Last report 41 minutes ago
This number is a landline operated by Core Telecom Limited and located in London, England. The overall user rating for this number is Negative. The number 02035043837 has been searched 11 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: 11
- Last reported: about 2 hours ago
- First reported: about 2 hours ago
- Typical call time: Usually weekdays 10-12
Number profile
- UK format: 020 3504 3837
- International: +442035043837
- Number type: Landline
- Carrier: Core Telecom 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 8 UK cities
Felling, London, Birmingham, Uttoxeter, Sheffield, Guildford, Walkern, Litherland
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 020 3504 3837 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 3504 3837
- 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
020 3981 5218
Unknown Callersent 35 second voicemail that was silent apart from the odd background noise. odd.
1 report
• Last report about 1 hour ago
01475 268332
RobocallCalls are too quick to ring and pick up. Multiple calls a day
1 report
• Last report about 1 hour ago
020 3475 3826
Scam/FraudText message saying monies have been taken from my Barclays account. I don't bank with barclays. Didn't ring the...
3 reports
• Last report about 2 hours ago
01482 293759
Unknown Caller3 calls from this number on 28 and 30 April and 5 June 2026, none answered as potential scam
5 reports
• Last report about 2 hours ago
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Call Costs
Calling 02035043837 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 02035043837 directly.
International callers should dial +44 20 3504 3837 or 0044 20 3504 3837. No leading zero is required when dialling abroad, e.g., +44(0)2035043837.