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UK geographic telephone code

020 area code: London

The 020 dialling code is associated with London.

How to dial London

Within the UK 020

Use the full area code before the local subscriber number.

From outside the UK +44 20

Use +44 and remove the leading zero from the area code.

An area-code match describes the number range, not the caller's identity or current physical location. Caller ID can also be spoofed.

Reported numbers in the 020 London area

30 recently reported complete numbers shown. Up to 30 numbers, ordered by their latest approved public report, with ten per page.

A shared range does not establish the same caller or organisation.

  • 020 3674 1528 Harassing 4 approved reports

    Another suspicious call matching previous reports. I believe this number is being used for nuisance or scam calls.

  • 020 7591 3473 Unknown 1 approved report

    Received an unexpected call on my landline. I didn't answer because I didn't recognise the number. No voicemail was left, and I suspect they may have called pre...

  • 020 8908 5590 Harassing 1 approved report

    This number keeps calling regularly but never leaves a voicemail.

  • 020 7031 0791 Harassing 1 approved report

    This preported to be from Lebara calling about the new phone plan that I bought with them ,although I am not sure as the person calling barely spoke english.

  • 020 4520 8734 Harassing 1 approved report

    My phone identified the incoming call as a suspected scam. I ignored it and subsequently blocked the number.

  • 020 4631 5734 Dangerous 1 approved report

    The caller appeared to be conducting a survey to collect personal information. I suspect those details could be used for further unwanted or fraudulent calls.

  • 020 3689 8259 Dangerous 1 approved report

    I believe this is a scam number. People should report suspicious calls through the official police and Ofcom reporting channels.

  • 020 8072 7727 Harassing 2 approved reports

    Claims to be Lloyds bank and warning you of suspicious activity in your Lloyds account (I don't have one).

  • 020 4539 6398 Unknown 1 approved report

    Call from EE to close and replace SIM card

  • 020 3879 5132 Dangerous 1 approved report

    they called my TPS registered land line but rang off when the answer machine started up, most likely a scam of some kind

Source and review

This page uses Ofcom telephone area codes area-code information retrieved on 3 September 2026.

View the source or tell us about a correction.

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