---
title: isoCountryCodes
framework: foundation
role: symbol
role_heading: Type Property
path: foundation/nslocale/isocountrycodes
---

# isoCountryCodes

The list of known country or region codes.

## Declaration

```swift
class var isoCountryCodes: [String] { get }
```

## Discussion

Discussion Not all country or region codes have supporting locale data in the system.

## See Also

### Getting Known Identifiers and Codes

- [availableLocaleIdentifiers](foundation/nslocale/availablelocaleidentifiers.md)
- [isoLanguageCodes](foundation/nslocale/isolanguagecodes.md)
- [isoCurrencyCodes](foundation/nslocale/isocurrencycodes.md)
- [commonISOCurrencyCodes](foundation/nslocale/commonisocurrencycodes.md)