020 8072 7510
Scam/FraudClaiming to be CDC with a one time pass code and a phone number of you didn't ask for it
28 reports
• Last report 10 minutes ago
This number is a landline operated by Core Telecom Limited and located in London, UK. The overall user rating for this number is Neutral. The number 02035041249 has been searched 51 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: 51
- Last reported: 10 months ago
- First reported: 10 months ago
- Typical call time: before 11am (92% of calls)
Number profile
- UK format: 020 3504 1249
- International: +442035041249
- 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!
Scam/Fraud
17 Sep 2025
Sounded like they were calling from the middle of a busy street and very windy! Asking about Energy Suppliers etc etc. Told them nothing and put the phone down.
Reported locations
Reported from 21 UK cities
Guildford, Plymouth, Churchdown, London, Cardiff, Thornaby, Askham Bryan, Holsworthy, Brentwood, Newton Abbot, Sheffield, London (Holborn), London (Shadwell), Ipswich, Torphichen, Bearsden, Broad Blunsdon, Huddersfield, Fort William, Humberstone, Manchester
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 020 3504 1249 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 1249
- 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
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Scam/FraudHad several calls from this number and others from this company. They state they from o2 customer care suggestions...
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Call Costs
Calling 02035041249 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 02035041249 directly.
International callers should dial +44 20 3504 1249 or 0044 20 3504 1249. No leading zero is required when dialling abroad, e.g., +44(0)2035041249.