020 3433 1941 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, UK. The overall user rating for this number is Negative. The number 02034331941 has been searched 500 times, with 9 user comments helping to identify the caller's intent.
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At a glance

Community signals

  • User reports: 9 user reports
  • Searches: 500
  • Last reported: 7 months ago
  • First reported: 8 months ago
  • Typical call time: before 12pm (98% of calls)

Number profile

  • UK format: 020 3433 1941
  • International: +442034331941
  • Number type: Landline
  • Carrier: Colt Technology Services
  • Area: London
  • Area code: 020

User Reports (9)

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

Scam/Fraud
24 Oct 2025

Pretending to be O2 I am not with O2

Unknown Caller
23 Oct 2025

Didn't recognise the number so didn't answer. "Possible spam" alert came up on my phone.

Scam/Fraud
15 Oct 2025

Supposed to be Three network wanting to upgrade my sim and give 30% discount on my current plan. Sends emails and wants you to select the links whilst they are on the call.

Scam/Fraud
15 Oct 2025

Calling frequently. Spam trying to get my details.

Unknown Caller
11 Oct 2025

This number just called. Did not answer as unknown number to me but just seen it is from EE. Have blocked it now.

Scam/Fraud
01 Oct 2025

Called twice before 12pm and once after pretending to be EE (not even my provider) requesting card details to set up a direct debit insinuating the ‘last payment’ didn’t go through.

Scam/Fraud
29 Sep 2025

Pretending to be EE

Scam/Fraud
23 Sep 2025

Called up pretending to be ee calls back with a slightly different number each time

Spam
11 Sep 2025

EE

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What type of call was it?

Reported locations

Reported from 21 UK cities

Sheffield, Birmingham, Mylor Bridge, London (Shadwell), Clacton-on-Sea, Rochdale, Brighouse, Holbeck, Panfield, Hardingstone, Southampton, Telford, Benwell, Cockington, Liverpool, Wouldham, Manchester, Starcross, Islington, Sharlston, Bracknell

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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 3433 1941 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 3433 1941
  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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Call Costs

Calling 02034331941 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 02034331941 directly.

International callers should dial +44 20 3433 1941 or 0044 20 3433 1941. No leading zero is required when dialling abroad, e.g., +44(0)2034331941.