From the home screen, swipe up to access the Apps tray. Scroll to and select the Visual Voicemail app.
Note: Alternately, you can set up voicemail by selecting the Phone icon, then selecting and holding the 1 key. If prompted, enter your voicemail password, then follow the prompts to set up your voicemail. If you have forgotten your existing voicemail password, you will not be able to access voicemail until youreset your voicemail password.