Hi Bfrederi,
Thank you for contacting us. We value your query about whether the Galaxy S21 FE (Unlocked) works with your Verizon SIM card. In line with this, unlocked Samsung phones work on multiple networks. Also, it gives you the freedom to switch carriers at any time and make sure that you have a compatible SIM card. Please note that sim cards must be compatible with the area's available networks. International calling, data services, and coverage vary by the network provider. Contact provider for details.
You may visit our website for more information about unlocked phones: https://www.samsung.com/us/mobile/phones/unlocked-by-samsung/.
Should you need more assistance, you may reach us via the following for immediate support:
1. Samsung Community: https://us.community.samsung.com/t5/Samsung-Community/ct-p/us
2. Facebook Messenger: http://m.me/samsungsupport
3. Twitter: https://twitter.com/messages/compose?recepient_ id=18768513
Reference Number: 1144371445
Thank you for choosing Samsung. Have a great day!
^Chrystel