What codes are needed to call London from Paris?

To call London from Paris, you will need the following codes:

1.Exit code: The exit code for France is 00.

2.Country code: The country code for the United Kingdom is 44.

3.City code: The city code for London is 20, but it is not usually required when calling from abroad.

So, to call a landline in London from Paris, you would dial00 - 44 - (phone number in London).

For example, if you wanted to call the famous department store Harrods in London, you would dial:

00 44 20 7225 6801.