Who-Calls.me.uk

020 3504 6074

Limited data

Community overview

Community rating: Limited data

2 user reports

First reported 3 Apr 2026 Last reported 5 months ago
Read 2 reports Add your report

About this number

Number formats

  • UK format: 020 3504 6074
  • International: +44 20 3504 6074

Number details

  • Number type: Landline
  • Number range allocated to: Core Telecom Limited
  • Area: London
  • Area code: 020

User Reports (2)

Telemarketer
5 months ago

Claimed to be an Energy Adviser . I sais that as I was registered with TPS I should not be getting cold calls and the matter would be reported. She hung up! Number belongs to Core Telecom Ltd

Scam/Fraud
5 months ago

Claim to be my local energy supplier. Just terminated the call because it is a scammer.

Report this number

Help others by sharing what you know about this number. Your report matters.

Please do not include full names, private addresses, or abusive, hateful, or defamatory content.

Please feel free to read our Community Standards before posting. We ask that comments are based on genuine experience and shared in a factual and respectful manner.

What type of call was it?

How to Block This Number

On iPhone

  1. Open the Phone app and go to Recents
  2. Find the number 020 3504 6074 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 3504 6074
  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

Reports for the same area code

Recommended Guides

Check another number

Currently active UK phone numbers

UK phone numbers that have recently shown increased activity or interest.

0800 015 7368
Negative
Freephone number · 7 user reports
0115 771 0423
Mixed
Nottingham · 3 user reports
0330 174 7758
No rating yet
Non-geographic · No user reports yet
0115 661 1781
Negative
Nottingham · 7 user reports
0151 305 4917
Limited data
Liverpool · 1 user report
0115 773 6663
Mixed
Nottingham · 26 user reports
0330 127 5220
Negative
Non-geographic · 11 user reports
0141 232 4000
Positive
Glasgow · 21 user reports
0161 520 2013
Negative
Manchester · 10 user reports
0161 818 0072
Negative
Manchester · 6 user reports
020 4624 3399
Negative
London · 5 user reports
Last report about 18 hours ago
0151 456 0404
Limited data
Liverpool · 2 user reports
See more recently trending numbers