Countries API - CountriesDB

Niue

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

About Niue codes

Need Niue (NU) 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 Niue. No official ISO 3166-2 subdivisions are currently listed in CountriesDB for this country.

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

ISO codes

  • Alpha-2NU
  • Alpha-3NIU
  • Numeric570
  • Independentfalse
  • StatusOfficially assigned

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 Niue?
Niue uses ISO 3166-1 alpha-2 NU, alpha-3 NIU, and numeric 570. These codes show up in forms, shipping, banking, and APIs.
How many official ISO 3166-2 subdivisions does Niue have?
CountriesDB does not list official ISO 3166-2 subdivisions for Niue. Some territories have no ISO 3166-2 entries, or only use the country-level code.
How do I use Niue country and subdivision data in a form?
Use the CountriesDB widget or Data API to fill country and subdivision selects for Niue, then validate submitted codes with the Validation API so alpha-2 and ISO 3166-2 values stay consistent.

Use Niue in your app

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