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020 4518 2438 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 02045182438 has been searched 100 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: 100
  • Last reported: 11 months ago
  • First reported: over 1 year ago
  • Typical call time: before 12pm (84% of calls)

Number profile

  • 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!

Spam
17 Jun 2025

Just received a call from this number claiming to be BT, saying that they own the line and wanted to check that we were on digital so that they could continue to decommission the copper lines. Do not engage with them.

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Spam
04 Apr 2025

Said there was a problem with our BT line and he wanted to ask a few questions. We have a VOIP system !

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Scam/Fraud
11 Feb 2025

Claims to be BT, asking to speak to the 'owner' of an old landline before they decommission it. when told them only had one phone and no system hung up.

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Scam/Fraud
22 Jan 2025

Claims to be BT, asking to speak to the 'owner' of an old landline before they decommission it. Definite scam, fishing for information.

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What type of call was it?

Reported locations

Reported from 21 UK cities

Newport, Norwich, Reading, Fivemiletown, Thurso, London, Leeds, Bangor, Durham, Byfleet, Sheffield, Manchester, Elsenham, Newbury, North Scarle, Sherburn, London (Shadwell), Preston, Ellesmere Port, Derby, Middlesbrough

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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 4518 2438 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 4518 2438
  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 02045182438 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 02045182438 directly.

International callers should dial +44 20 4518 2438 or 0044 20 4518 2438. No leading zero is required when dialling abroad, e.g., +44(0)2045182438.