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020 4548 5151 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, England. The overall user rating for this number is Negative. The number 02045485151 has been searched 183 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: 183
  • Last reported: 5 months ago
  • First reported: 8 months ago
  • Typical call time: before 10am (91% of calls)

Number profile

  • UK format: 020 4548 5151
  • International: +442045485151
  • Number type: Landline
  • Carrier: Gamma Telecom Holdings Limited
  • 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!

Scam/Fraud
06 Dec 2025

Told me they were EE and were checking on my account, started to offer some sort of discount over Christmas and wanted me to give my details. Definitely spam as I don’t have an EE account on this number. Told them they were spam and hung up and they didn’t call back. Checked and it’s not a number associated with EE.

Caller: 020 4548 5151
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Unknown Caller
29 Oct 2025

Told me they was 3 network and i needed a new sims card

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Spam
04 Oct 2025

Said they were from sky and my number would be blocked in two days, due too updated system. Definitely sounded dodgy

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What type of call was it?

Reported locations

Reported from 21 UK cities

Bradford, Salisbury, Lymington, London (Shadwell), Birmingham, Coedpoeth, Maerdy, Oughtibridge, Towcester, Leyton, Salford, Belsize Park, Benwell, Wenvoe, Harlow, Hampton, Hemel Hempstead, Harlesden, Swadlincote, Kings Lynn, Brentwood

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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 4548 5151 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 4548 5151
  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 02045485151 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 02045485151 directly.

International callers should dial +44 20 4548 5151 or 0044 20 4548 5151. No leading zero is required when dialling abroad, e.g., +44(0)2045485151.