Do you need phone number code for cork Ireland to England?

The country calling code for Ireland is +353. To make an international call to Ireland from England you need to dial 00353 (or +353), followed by the 9 digit phone number, beginning with the area code.

Landlines in Cork usually start with the area code 021, for example, the number 021 430 4633

Mobile numbers may start with 083, for example, 083 336 6622