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020 4549 4911 Negative Who called me from this phone number?

London • Gamma Telecom Holdings Limited
This number is a landline operated by Gamma Telecom Holdings Limited and located in London, UK. The overall user rating for this number is Negative. The number 02045494911 has been searched 277 times, with 8 user comments helping to identify the caller's intent.
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At a glance

Community signals

  • User reports: 8 user reports
  • Searches: 277
  • Last reported: 10 months ago
  • First reported: 10 months ago
  • Typical call time: before 10am (95% of calls)

Number profile

  • UK format: 020 4549 4911
  • International: +442045494911
  • Number type: Landline
  • Carrier: Gamma Telecom Holdings Limited
  • Area: London
  • Area code: 020

User Reports (8)

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

Unknown Caller
26 Jul 2025

Let it go to answerphone, no message left.

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Spam
26 Jul 2025

Im Jo your energy adviser for the local area. Are you the home owner? So you're an energy adviser? I was about to say perhaps you can provide me with some as I've just stopped cooking dinner, wiped my hands and answered your unsolicited call. Just ignored me and repeated Are you the home owner? I ignored and repeated So you're an energy adviser.? Whereupon they hung up.

Caller: MD
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Robocall
26 Jul 2025

Silence and the hung up.

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Robocall
26 Jul 2025

G We let it go to answer phone, then they hang up.

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Spam
26 Jul 2025

Silence then hung up

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Unknown Caller
26 Jul 2025

Silence then hung up

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Telemarketer
26 Jul 2025

These people are are constantly harassing me, claiming to be "your energy Advisor" I block every new number they contact me on, but still they get through. Is there no way these people can be stopped ? The Telephone Preference Service seems to be a complete flop.

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Robocall
26 Jul 2025

Silence then hung up

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What type of call was it?

Reported locations

Reported from 21 UK cities

London, Guildford, Kennington, Motcombe, Cranborne, Wareham, Salisbury, North Baddesley, Oxford, Leicester, Compton, London (Shadwell), Downton, Wadhurst, Hindon, Rotherham, Caerphilly, Sheerness, Tidworth, Pembury, Seaton Delaval

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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 4549 4911 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 4549 4911
  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 02045494911 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 02045494911 directly.

International callers should dial +44 20 4549 4911 or 0044 20 4549 4911. No leading zero is required when dialling abroad, e.g., +44(0)2045494911.