Activating phones is a piece of cake! And we're here to prove it. May I ask if you've changed your devices between your lines recently? Or did anything occur that may have caused this? Please try dialing *228, choose option 1, restart your phone, test, and update us.
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Please verify your old phone is turned off and battery removed (if possible) prior to activating another device.
I'm most definitely NOT a VZW employee. If a post answered your question, please mark it as the answer.