Since 1 October 2008 telephone numbers for landlines and mobile phones in Gibraltar are eight digits long. Prior to this date, landline numbers consisted of five digits starting with either - 4 - , - 5 - or - 7 - , while mobile phone numbers remain unchanged. Since this date all calls to existing Gibtelecom five digit landline number have to be prefixed with - 200 - , making the numbers eight digits long. -