An Indonesian mobile number for WhatsApp will follow this format:

[mstaklimakhatunbd66@]

Start with the country code: Followed by the mobile phone number, without the leading '0'.
For example, if an Indonesian mobile number isyou would enter it in WhatsApp as

To add an Indonesian WhatsApp iran whatsapp number data number to your contacts:

Open your phone's Contacts app.
Create a new contact.
Enter the person's name.
Enter their phone number starting with +62, followed by the rest of their mobile number (without the initial '0').
Save the contact.
Open WhatsApp and refresh your contacts list.
Do you have a specific Indonesian number you'd like to format for WhatsApp?