When you are adding your phone number to the platform, you will be asked to enter a country code. This is a unique identifier that each country has in order to recognize where the phone number is originating from. In the platform you are only able to add your phone number if you are located in one of the following regions. Listed next to each region is the country code you will need to add in the platform:

CountryCountry Code
New Zealand+64

For more information on adding your phone number, please visit How Do I Verify My Phone Number?