Standards.ISO

How to use

using Standards.ISO3166.CountryCodes;

public void Demo_1()
{
    //by alpha2, alpha3 and numeric codes
    var countryCode = CountryCode.GetOrDefault("BE");

    //Belgium
    Console.WriteLine(countryCode.Name);
}

Additional API

public void Demo_4()
{    
    //Try to parse by an alpha2, alpha3 or numeric code
    CountryCode.TryParseA("BE", out var countryCode);

    //Try to parse an alpha2 country code
    CountryCode.TryParseAlpha2("BE", out var countryCode);
    
    //Try to parse an alpha2 country code
    CountryCode.TryParseAlpha2("BE", out var countryCode);
    
    //Try to parse an alpha3 country code.
    CountryCode.TryParseAlpha3("BEL", out var countryCode);
    
    //Try to parse a numeric country code.
    CountryCode.TryParseNumeric("BEL", out var countryCode);
    
    //Retrieves a collection of all predefined country codes based on the ISO 3166 standard.
    CountryCode.GetCountryCodes();
}