[tux]

Originally Posted by NFH

Would they have a +4 code for the whole of the EEA? They couldn't use +3 because there are several non-EEA European countries with +3 country codes.

See List of country calling codes - Wikipedia

Long time ago the EU proposed this: Telephone numbers in the European Union - Wikipedia, the free encyclopedia
But it's an awful proposal. Let's see what Neelie Kroes proposes in September