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020 4548 5153 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 02045485153 has been searched 266 times, with 5 user comments helping to identify the caller's intent.
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At a glance

Community signals

  • User reports: 5 user reports
  • Searches: 266
  • Last reported: 4 months ago
  • First reported: 7 months ago
  • Typical call time: before 1pm (98% of calls)

Number profile

  • UK format: 020 4548 5153
  • International: +442045485153
  • Number type: Landline
  • Carrier: Gamma Telecom Holdings Limited
  • Area: London
  • Area code: 020

User Reports (5)

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

Scam/Fraud
4 months ago

Said they were calling from Vodafone. Asked about my number/Sim card. Didn't sound right to me. So I ended the call.

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Spam
4 months ago

Hard to understand , probably not actually located in London - something about my phone number, I guess sim card related type thing. Smells fishy/spammy

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Unknown Caller
4 months ago

Same here, I'm not with VF

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Unknown Caller
19 Dec 2025

Calling pretending to be Vodafone sending a new SIM card - I'm with a different network.

Caller: Peter
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Spam
21 Oct 2025

Stated calling from Sky Network, stating my sim card was due to expire. However, I am not with sky network so probable scam.

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What type of call was it?

Reported locations

Reported from 21 UK cities

Norwich, Wansford, Walsall, London, Billingborough, London (Shadwell), Wingerworth, Shirley (Blythe Valley Park), Bedford, Abbey Wood, West Thurrock, Bredbury, Burton Bradstock, Hounslow, London (City of Westminster), Kingston upon Thames, Chipstead, Dingle, Bradford, Reading, Huddersfield

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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 5153 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 5153
  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 02045485153 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 02045485153 directly.

International callers should dial +44 20 4548 5153 or 0044 20 4548 5153. No leading zero is required when dialling abroad, e.g., +44(0)2045485153.