Just as the title states, you can actually reach MTN Customer Care through WhatsApp. With the popularity of the IM app, it is inevitable seeing the telecom operator leveraging on this. Customers simply need to add the numbers and start chatting immediately with a customer care rep available.
Here are the numbers to add:
This way it is easier to forward all your queries or inquiries, and get instant replies. Courtesy will tell you not to startup unnecessary conversations with these reps, to prevent blocking. Please do share this information with your friends.