#Verizon_error_code_9001 is listed as a common issue which the user gets while using it on the device. The bugs might hamper the users’ work for a long time as they will no longer be able to resume their work. The problem occurs when the voicemail app doesn’t work on any particular Smartphones. The possible reason behind the problem to occur is due to the poor internet connection; the wrong software installation; hardware issues in the mobile; and many other reasons. To fix the problem entirely, you need to look online for help or dial the experts at #Verizon_Customer_Service to get the proper solution in the fraction of seconds.