Looks like it's jut a 4G problem
Verizon 4G LTE Networks Down Nationwide (Updated) - Droid Life: A Droid Community Blog
Work around is listed in the article:
Dial ##778# and hit send
* A pop-up window named EPST will show up giving you 2 choices: View Mode and Edit Mode. Pick: Edit Mode.
* Enter the Password: 000000
* Go down to Modem Settings and pick ?Rev A?
* You?ll want to choose enable and click OK, hit the menu button and then press ?Commit Modifications.?
* Restart your phone and you should see 3G is working
To switch back to 3G/4G, follow same instructions but choose eHRPD.