Dialling codes from Ireland to UK mobiles?

To call a UK mobile from Ireland, you need to dial the following:

- 00 – the international access code for Ireland

- 44 - the country code for the UK

- The mobile number - this will be an 11-digit number starting with 0

For example, to call a UK mobile number 07912345678 from Ireland, you would dial 00 44 7912345678.