Dial "20," which is the area code for London, England. You may find the area code listed as "020," however, the initial "0" is used only when you call within the United Kingdom.

Where are 020 numbers calling from?

020 is the national dialling code for London in the United Kingdom.

Do 020 numbers cost to answer?

For 020 and 03 numbers, the rate is 0.66p per minute. There is also a 40p connection charge. Call charges are rounded up to the nearest 10p, with a minimum charge of 60p.