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020 3920 7991 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 02039207991 has been searched 663 times, with 4 user comments helping to identify the caller's intent.
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At a glance

Community signals

  • User reports: 4 user reports
  • Searches: 663
  • Last reported: about 2 months ago
  • First reported: 3 months ago
  • Typical call time: before 12pm (98% of calls)

Number profile

  • UK format: 020 3920 7991
  • International: +442039207991
  • Number type: Landline
  • Carrier: Colt Technology Services
  • Area: London
  • Area code: 020

User Reports (4)

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

Scam/Fraud
2 months ago

EE phone bill ‘promotion’. Sounded like an Indian call centre

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Scam/Fraud
3 months ago

Discount on mobile phone bill offered, but when they asked how much I pay I knew it wasn’t EE.

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Scam/Fraud
3 months ago

claimed to be from EE, which i do use. But They were asking odd questions like what phone i had, Not security questions EE would ask. When i flipped the script and said ‘you tell me what phone i have’ they hung up. Clearly not EE

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Scam/Fraud
3 months ago

4 calls in 10 minutes, "discount on your technology bill", Indian call centre

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What type of call was it?

Reported locations

Reported from 21 UK cities

Wembley, Leyton, Kirkleatham, Feltham, Holbeck, London (Shadwell), Stepney, Landore, Exhall, Chesterfield, Edzell, Poplar, Chippenham, Bradford, Clenchwarton, Batley, Blackburn, Coventry, Stanwell, Alston, London (City of Westminster)

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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 3920 7991 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 3920 7991
  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 02039207991 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 02039207991 directly.

International callers should dial +44 20 3920 7991 or 0044 20 3920 7991. No leading zero is required when dialling abroad, e.g., +44(0)2039207991.

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