Réunion
ISO 3166-1 country codes and official ISO 3166-2 subdivisions for Réunion. Use them in forms, validation, and CountriesDB integrations.
About Réunion codes
Need Réunion (RE) 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 covers ISO 3166-1 identifiers for Réunion. No official ISO 3166-2 subdivisions are currently listed in CountriesDB for this country.
For production, use the CountriesDB country/subdivision widget or fetch Réunion from the Data API and validate codes server-side instead of copying values from this page.
ISO codes
Official subdivisions (0)
No official ISO 3166-2 subdivisions are listed for this country in CountriesDB.
Frequently asked questions
- What is the ISO 3166-1 code for Réunion?
- Réunion uses ISO 3166-1 alpha-2 RE, alpha-3 REU, and numeric 638. These codes show up in forms, shipping, banking, and APIs.
- How many official ISO 3166-2 subdivisions does Réunion have?
- CountriesDB does not list official ISO 3166-2 subdivisions for Réunion. Some territories have no ISO 3166-2 entries, or only use the country-level code.
- How do I use Réunion country and subdivision data in a form?
- Use the CountriesDB widget or Data API to fill country and subdivision selects for Réunion, then validate submitted codes with the Validation API so alpha-2 and ISO 3166-2 values stay consistent.
Use Réunion in your app
Add CountriesDB country and subdivision selects with the widget docs, or call the Backend Data API for Réunion (RE) and validate submissions with the Validation API. Guides stay in sync with the same dataset your project keys already use. widget docs.