If you receive a SIM card error, ensure that you have the correct SIM card inserted in the iPhone.
See Activate-an-iPhone for more information.
If you’re activating a used device, make sure to insert your own SIM card first.
Activation amy begin automatically. If not you will be prompted for Verizon account information before proceeding. .
If no other phone line exists on your account or is active, you will need to contact customer service to complete the switch. [2] X Research source
If you do not have one, you will need to purchase one in order to use your phone with Verizon.