020 is the area code for London, UK.
Dialling London Phone Numbers from Overseas
To dial a phone number in London from overseas:
- Dial the international access code for the country you are calling from (typically 00, 011, or +)
- Dial the country code for the United Kingdom (44)
- Dial the area code for London without the first zero (20)
- Dial the phone number of the person/business
- Full example telephone number to dial: 00 44 20 9999 9999
Dialling London Phone Numbers from the UK
To dial a telephone number in London from within the UK use the area code 020 plus the number. For example 020 9999 9999.
If calling a local phone number in London from a landline that also has the area code 020, the 020 area code is not needed.
Time in London
The time now in London is . The date is .
The map below shows where London is located.