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020 4583 1047 Negative Who called me from this phone number?

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 02045831047 has been searched 75 times, with 3 user comments helping to identify the caller's intent.
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At a glance

Community signals

  • User reports: 3 user reports
  • Searches: 75
  • Last reported: 7 months ago
  • First reported: 8 months ago
  • Typical call time: before 1pm (95% of calls)

Number profile

  • UK format: 020 4583 1047
  • International: +442045831047
  • Number type: Landline
  • Carrier: Colt Technology Services
  • Area: London
  • Area code: 020

User Reports (3)

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

Unknown Caller
10 Oct 2025

Called out of the blue - asked for my religion. Offering Koran education… highly suspicious.

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Unknown Caller
08 Oct 2025

Call on phone marked as Spam. Therefore did not respond. Based on reports this would seem to be correct.

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Scam/Fraud
03 Oct 2025

Rang at 6.00 pm, Friday night. Supposed to be from Sky, offering 40% discount - called me Maam.. Left Sky last month. Get these about once or twice a month. SCAM!

Caller: Supposed to be SKY - foreign accent
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What type of call was it?

Reported locations

Reported from 21 UK cities

London, Llandegla, Merthyr Tydfil, Wilmslow, London (Shadwell), Long Eaton, St. Georges, Puddletown, East Ham, Cambridge, Watton, Brentford, Bradford, Woking, Wallingford, Coleraine, Manchester, Malpas, London (South Bank), Northam, Winchester

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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 4583 1047 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 4583 1047
  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

Latest reports

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Call Costs

Calling 02045831047 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 02045831047 directly.

International callers should dial +44 20 4583 1047 or 0044 20 4583 1047. No leading zero is required when dialling abroad, e.g., +44(0)2045831047.