In Spain, 1004 is the number to call the main phone company. It is usually associated to something bad, as you can imagine :-P but it is an easy 4 digit number

In Spain, 1004 is the number to call the main phone company. It is usually associated to something bad, as you can imagine :-P but it is an easy 4 digit number to remember. Not sure if that is the case in other countries... I still prefer the korean explanation, though