When will my service officially end? Chris Bohlin January 11, 2018 19:17 Updated Follow Grasshopper will end all service on the 30th of April. At this time, any phone number that has not been ported to a new carrier will go out of service and calls to it will not complete. Related articles Grasshopper is Shutting Down in the U.K. Grasshopper Shut Down Timeline Who can I port my number to? Do i have to pay for my Grasshopper service while the port process is happening? What happens to my voicemails stored on the Grasshopper platform? Comments 0 comments Article is closed for comments.