Cook Islands
ISO 3166-1 country codes and official ISO 3166-2 subdivisions for Cook Islands. Use them in forms, validation, and CountriesDB integrations.
About Cook Islands codes
Need Cook Islands (CK) 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 Cook Islands. No official ISO 3166-2 subdivisions are currently listed in CountriesDB for this country.
For production, use the CountriesDB country/subdivision widget or fetch Cook Islands 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 Cook Islands?
- Cook Islands uses ISO 3166-1 alpha-2 CK, alpha-3 COK, and numeric 184. These codes show up in forms, shipping, banking, and APIs.
- How many official ISO 3166-2 subdivisions does Cook Islands have?
- CountriesDB does not list official ISO 3166-2 subdivisions for Cook Islands. Some territories have no ISO 3166-2 entries, or only use the country-level code.
- How do I use Cook Islands country and subdivision data in a form?
- Use the CountriesDB widget or Data API to fill country and subdivision selects for Cook Islands, then validate submitted codes with the Validation API so alpha-2 and ISO 3166-2 values stay consistent.
Use Cook Islands in your app
Add CountriesDB country and subdivision selects with the widget docs, or call the Backend Data API for Cook Islands (CK) and validate submissions with the Validation API. Guides stay in sync with the same dataset your project keys already use. widget docs.