Countries API - CountriesDB

Ireland

ISO 3166-1 country codes and official ISO 3166-2 subdivisions for Ireland. Use them in forms, validation, and CountriesDB integrations.

About Ireland codes

Need Ireland (IE) for a checkout form, shipping zone, or backend validation? This page summarizes the ISO 3166-1 country codes and official subdivisions developers use with CountriesDB.

This guide lists 30 official ISO 3166-2 subdivisions for Ireland. These are the same codes CountriesDB serves through widgets and the Backend Data API.

For production, use the CountriesDB country/subdivision widget or fetch Ireland from the Data API and validate codes server-side instead of copying values from this page.

ISO codes

  • Alpha-2IE
  • Alpha-3IRL
  • Numeric372
  • Independenttrue
  • StatusOfficially assigned

Official subdivisions (30)

Official ISO 3166-2 codes for Ireland. Use these values in region/state selects and server-side validation, not informal or marketing region names.

CodeNameType
IE-CWCarlowcounty
IE-CNCavancounty
IE-CEClarecounty
IE-CConnaughtprovince
IE-COCorkcounty
IE-DLDonegalcounty
IE-DDublincounty
IE-GGalwaycounty
IE-KYKerrycounty
IE-KEKildarecounty
IE-KKKilkennycounty
IE-LSLaoiscounty
IE-LLeinsterprovince
IE-LMLeitrimcounty
IE-LKLimerickcounty
IE-LDLongfordcounty
IE-LHLouthcounty
IE-MOMayocounty
IE-MHMeathcounty
IE-MNMonaghancounty
IE-MMunsterprovince
IE-OYOffalycounty
IE-RNRoscommoncounty
IE-SOSligocounty
IE-TATipperarycounty
IE-UUlsterprovince
IE-WDWaterfordcounty
IE-WHWestmeathcounty
IE-WXWexfordcounty
IE-WWWicklowcounty

Frequently asked questions

What is the ISO 3166-1 code for Ireland?
Ireland uses ISO 3166-1 alpha-2 IE, alpha-3 IRL, and numeric 372. These codes show up in forms, shipping, banking, and APIs.
How many official ISO 3166-2 subdivisions does Ireland have?
CountriesDB lists 30 official ISO 3166-2 subdivisions for Ireland (states, provinces, regions, or equivalent). Use them when you validate region selects and shipping zones.
How do I use Ireland country and subdivision data in a form?
Use the CountriesDB widget or Data API to fill country and subdivision selects for Ireland, then validate submitted codes with the Validation API so alpha-2 and ISO 3166-2 values stay consistent.

Use Ireland in your app

Add CountriesDB country and subdivision selects with the widget docs, or call the Backend Data API for Ireland (IE) and validate submissions with the Validation API. Guides stay in sync with the same dataset your project keys already use. widget docs.