Telephony in the Republic of Ireland and Northern Ireland

National Area Codes

The island of Ireland utilizes a unified numbering plan, although politically divided. Area codes generally indicate geographic regions. Examples include:

• Dublin: 01
• Cork: 021
• Galway: 091
• Limerick: 061
• Northern Ireland: 028 (followed by an eight-digit local number)

Note that the '0' prefix is a trunk code and is typically dropped when calling from outside the island.

International Access Codes

To contact either the Republic or Northern Ireland from abroad, an international access code is required. Common examples include:

• North America: 011
• Europe: 00

The specific code depends on the location from which the call is being placed. Always consult the local telecommunications provider for the correct international access code.

Republic of Ireland Country Code

The country code assigned to the Republic of Ireland is +353.

Northern Ireland Country Code

Being part of the United Kingdom, Northern Ireland shares the UK's country code of +44.

Mobile Numbers

Mobile telephone numbers in both jurisdictions usually begin with '08'. These are followed by a digit, and then seven more digits forming the subscriber number.

Number Formats for International Calls

To contact a landline in Dublin (area code 01) from North America:

011-353-1-xxxx-xxxx

To contact a mobile phone in the Republic (number starting 08x) from Europe:

00-353-8x-xxx-xxxx

To contact a landline in Belfast (area code 028) from Australia:

0011-44-28-xxxx-xxxx

Special Service Numbers

Various service numbers exist, often with different cost structures. These may include premium rate numbers or freephone numbers, and their prefixes should be checked carefully.

Changes to Numbering Plans

Numbering plans are subject to change by regulatory authorities. It's advisable to consult official resources or telecommunications providers for the most up-to-date information.