I have seen a few messages regarding wrong timestamps but I don't notice any having been resolved. I am having the same issue. My timestamp on my voicemail messages is off my a time zone. My address is correct on my Verizon account and I have tried setting up a different time zone in my phone.
Oh, dear! Thanks for reaching out. We do want to make sure we're doing all we can to get your iPhone 13 Pro's voicemail timestamps showing up accurately. Please, send us a Private Note, so we can dig into the troubleshooting, and get you taken care of right away!
Hi there. My name is Heather. You Verizon Wireless account expert. Thank you so much for reaching out on Chat today. How can I help?