England · Greater London

020 Area Code — London Dialling Code

020 is the area code for London — the largest numbering area in the UK, covering the whole of Greater London on a single code.

Where is the 020 area code?

The 020 dialling code is the geographic area code for London, in Greater London (England). It covers Central London, Inner London, Outer London, Croydon, Romford and Uxbridge. Local numbers are 8 digits long after the code.

How to call a 020 number

A full London number is written as 020 7946 0123. From within the UK, dial the whole number including the leading 0. From abroad, replace the leading 0 with the UK country code: +44 20 followed by the local number. Calls to 020 are charged at a standard geographic rate and are normally included in callers' inclusive minutes.

London businesses and the 020 code

London is the most competitive market in the country, and a missed call usually means the caller has already rung the next firm on the list. A 020 number tells callers you're a genuine London business; an AI virtual receptionist makes sure that number is answered every time, day or night.

020 Area Code — FAQ

Common questions about the London 020 dialling code.

Other England area codes

Related guides: how to forward calls, PAC codes, and are 0800 numbers free?

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020 Area Code: London Dialling Code