The 020 dialling code covers London and the surrounding area.
To get more information on a full number beginning 020, click here.
Phone numbers beginning 020 are geographic numbers.
So 0203 should actually be written 020 3, although it makes no difference when dialling the number. For more information on 020 numbers, see the page for the 020 area code
When calling from a landline, calls to 020 numbers can cost up to 10p per minute, dependent on the time of day, and there is usually also a call set-up fee
When calling from mobile phones, calls to these numbers cost between 10p and 40p per minute.
Most landline operators offer inclusive call packages which allow calls free at certain times of the day, or at all times, and most mobile companies include free any-time minutes in the monthly contract payment, or a bundle of minutes for a reduced cost in the form of a top-up credit.
Codes near to 020 area code: