Who-Calls.me.uk

020 3965 4639

Negative London • Colt Technology Services
This number is a landline operated by Colt Technology Services and located in London, England. The overall user rating for this number is Negative. The number 02039654639 has been searched 15 times, with 1 user comment helping to identify the caller's intent.
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Activity Map

Reported from 10 UK cities

Croydon, Ferryhill, London, Batley, Livingston, Kirkby Stephen, London (Shadwell), Edinburgh, Raskelf, Mountsorrel

Number Information

Number Details

  • Type: Landline
  • Network: Colt Technology Services
  • Location: London
  • Prefix: 020

Call Statistics

  • Searches: 15
  • Reports: 1 user report
  • First seen: 2 days ago
  • Call time: after 11am (95% of calls)

User Reports (1)

Your reports help others decide whether to answer calls from this number. Share your experience to help the community!

Scam/Fraud
11 hours ago

They were calling from sky customer services and that i needed to update my sim I hung up and rang sky on 150 from my phone, they confirmed it was a scam and that there was no issue with my sim They are investigating

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How to Block This Number

On iPhone

  1. Open the Phone app and go to Recents
  2. Find the number 020 3965 4639 and tap the info icon (i)
  3. Scroll down and tap Block this Caller
  4. Confirm by tapping Block Contact

On Android

  1. Open the Phone app and tap the 3-dot menu
  2. Go to Call history or Recents
  3. Long press on 020 3965 4639
  4. 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 registration

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Recommended Guides

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Call Costs

Calling 02039654639 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 02039654639 directly.

International callers should dial +44 20 3965 4639 or 0044 20 3965 4639. No leading zero is required when dialling abroad, e.g., +44(0)2039654639.