Question: how to change forgotten voicemail password on iphone?
Answer: Call 611 or 800-331-0500.
Press 1 to use existing number, or enter the wireless number starting with area code.
Tap the 3 key to “get help with voicemail.” (5 for enterprise customers)
Tap the 3 key to reset your VM password.
Enter the Billing Zip code for the account.
A temporary password will be sent via SMS.