Can I call back customer from a voicemail? Brittany Thrasher February 21, 2018 19:50 Updated Follow Sure! From your messages inbox page, swipe the message to the Left and you will be given a green button to call. Related articles How do I set up my phone with the Grasshopper iPhone app? How can I delete a voicemail within the mobile app? FAQs for MMS texting Can my numbers play different main greetings? Can I prepay for my Grasshopper service? Comments 0 comments Article is closed for comments.