in the north blue and south yellow
It doesn't any more. They were all replaced by glass telephone boxes about 20 years ago. Most telephone boxes - of any design - are now redundant because of the widespread use of mobile (cell) phones.
French letter boxes, known as "boîtes aux lettres," are typically a bright yellow color. This distinctive hue helps them stand out in various urban and rural settings. The yellow color is a recognizable symbol of the postal service in France.
no
Telephones boxes were invented to keep dishonest persons from accessing a vital lifeline.
They both are not moble.
Yes. Red telephone boxes were very common in Australia during the twentieth century.
I have been asked this question about 15 years ago in a pub quiz. We answered green and it was wrong. Unfortunately I don't remember what the answer was. It's difficult to answer this question now that phone booths are redundant because of mobile phones. I asked someone who has worked in France recently and they replied "The only ones I've seen are made of glass. In the good old days they were yellow. I think." Yellow sounds good because as a public service they need to be visible (the reason New York taxis are yellow) but because of the sheer lack of information I'm wondering if there was a standard color at all.
public toilet
Red
the first telephone was black
We would still be using telephone boxes and house phones.
France does not have telephone area codes. However, numbers starting with a 1 (or 01 domestically) are normally in Paris.