Mobile numbers in the Republic of Ireland begin with 08, which becomes +353 8 in international format.
Mobile numbers in Northern Ireland use the same codes as other UK mobiles, in the range +44 74 through +44 79.
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
You do not need a special code. Both area are part of the UK and share the same phone number system.
The international code for Ireland is 353, regardless of where you are phoning from.
You use country code +353 for Republic of Ireland, and must also remove the leading zero of the mobile number. For example 086 123456 would become 011 353 86 123456.
It is +44 from anywhere.
The Irish code is 00353 and then you drop the first number of the area code/mobile code, which will be a 0
Republic of Ireland: +44 353, then the Irish mobile number minus any leading zero. Northern Ireland: No code needed - same as any other UK mobile number.
Code to ring Spain on a mobile from England?0034 Enjoyyy :D
Dial the International Access Code (00 from the UK). Dial the Country Code (353 for Ireland). Dial the Irish Area Code and Local Number. OMIT the initial zero from the area code.
If you are ringing from the USA or Canada, dial the same number as normal. The network will locate the phone - you are not expected to guess where in the world the mobile phone is currently! From the rest of the world, prefix the number with the USA country code +1
+44 is the international code for England.
Replace the leading 0 of the Australian number with 00 61, or with +61 from a mobile.
it should be the same all around the globe +44