So, it’s good to know that there are a number of useful online tools to help you look them all up, including this handy resource: International dialling code from UK To call a number overseas from the UK, you must use the international dialling code 00, followed by the country code,...
How to Call Austria from the UK To call a telephone number in Austria from the UK: Dial the international call prefix. For calls from the UK, this is 00 (or '+' from mobile phones). Dial the country code for Austria - 43. Dial the number of the person/business, omitting the first...