The country code 98 is used for Iran in WhatsApp.
This country code is used for both making and receiving calls and messages within the app.
Example: If you want to call someone in Iran using WhatsApp, you would need to use the country code 98 before their phone number.
Note: While WhatsApp uses country codes to identify different regions, it is important to remember that these codes are not always the same as the official international dialing codes used for regular phone calls.