someone added visual voicemail to my phone without my consent and now all of my saved voice mails are gone. Can I get them back

[Humuhumunukunukuapua_]

I had messages from my deceased mother and sister.  How can I get them back?

[Weth]

Call Customer Service and see if anything can be done. Unfortunately we hear this story not infrequently and in most cases the messages are gone and cannot be recovered.

I know it doesn't help you, but every time this happens, I put a reminder on hear to always make a recorded copy of the important voice mail and store it in several places so it can never be erased.