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London’s 020 area code replaced the older 0171 and 0181 codes during a major renumbering in 2000. The update unified the capital under a single code, allowing for more flexibility as London’s telecom demand grew. Many still remember the older split, but since the change, all central and outer London numbers have used 020, with eight-digit local numbers. It’s a simple, recognisable code for one of the world’s busiest cities.
It’s down to Ofcom which area code belongs to which city. You can see their complete list here.
020 numbers are billed at normal UK landline rates. Calls to 020 numbers are typically included in most providers’ free or inclusive minutes, making them cost-effective for both personal and business use.
If charged per call, expect rates of around 10p–20p per minute from a mobile or approximately 10p per call from a landline, depending on the provider.
When dialled from abroad, standard international rates apply to +44 20, while UK-based callers can contact you free of charge if they have inclusive minutes.
Setting up a London 020 virtual business number with Tamar Telecommunications only takes a few minutes. Pick the number type that suits your business and follow the quick setup steps to go live.
The area code for London UK is 020 followed by 8 digits e.g. 020 1234 5678
London is classified as a region and a county in its own right.
Around 9.84 million people live in London, England.
Local London numbers start from just £5 per month, including generous inclusive call minutes and 5-star rated customer service.
A Tamar London 020 Mobile Landline Number helps you connect with more customers, present a professional image, and keep your business flexible and mobile.
Choose the type of phone number that best fits your business
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