020 area code — London
020 is the local dialing code used in London, United Kingdom. Numbers are written internationally as +44 20.
How to call London
- From abroad
- +44 20 XXX XXXX
- Within United Kingdom
- 020 XXX XXXX
- Country calling code
- +44
About the 020 area code
A full number here takes the form +44 20 XXX XXXX — the 20 identifies London within United Kingdom's numbering plan.
Area codes like 020 tie a phone number to a place — useful for knowing where a call or message originates, and for signing up to services that expect a local United Kingdom number. To actually receive an SMS on a United Kingdom number, a temporary or virtual line does the job without exposing your own SIM.
Frequently asked questions
What area code is London?
London uses the area code 020, written internationally as +44 20.
How do I call London from another country?
Dial your international access code, then +44 20, then the local number — dropping the national leading 0.
What time is it in London?
London is in the Europe/London time zone; the live clock above shows the current local time.
Is 020 a mobile or a landline code?
020 is a geographic (landline) area code for London. Mobile numbers in United Kingdom use their own separate prefixes.