How do you dial a mobile phone in Ireland from another country?

Mobile phone numbers in the Republic of Ireland all start with 08. The international dialling code is 353. You would then drop the first zero on the mobile number and add the international access code at the very beginning, like 00 or 1, depending on what country you are dialling from. So to dial a number such as 089 999 9999 you would dial the international access code from your country and then 353 89 999 9999.