locked out of voicemail

Hello and welcome to Apple Support Communities  CJKlabunde,

Thank you for contacting us. You have come to the right place and we are happy to assist you. We understand you're having an issue with your voicemail on your iPhone.  We can understand why you’d reach out for a solution. To start, make sure you have the most current operating system on your device. (Settings > General > Software Update)  Also have you tried the steps outlined in this resource? Set up Visual Voicemail on your iPhone

If you have followed the troubleshooting steps above, you may need to contact your wireless carrier. Make sure you have backups prior to making any major system changes: How to back up your iPhone, iPad, and iPod touch

Thank you for contacting Apple Support Communities.

Best regards.