Reset a forgotten password or change an existing voicemail password.
INSTRUCTIONS & INFO
To change your voicemail password, you must know your current voicemail password. Note: If you have forgotten your existing voicemail password, you will not be able to access Voicemail until you reset your voicemail password. You will not be able to change or reset your voicemail password when using Wi-Fi calling.
Tap Settings.
Tap Phone.
Tap Change Voicemail Password. Note: This option will only appear once you have set up Visual Voicemail.
Enter the new desired voicemail password, and then tap Done.