I need a password to read my voice messages left on my phone. How do I get this password?

Voicemail is a feature that is provided and managed by your carrier. I recommend that you contact your carrier and ask them about the procedure to set or reset the voicemail password. They should be able to resolve this issue for you.

Axel F.

If you mean voice mail, that is entirely controlled by your carrier. You need to contact them.