You can find Verizon-compatible phones without a contract at several major retailers:
To buy a Verizon phone without a long-term contract, you can either purchase devices or buy unlocked smartphones from third-party retailers that are compatible with the Verizon network . While Verizon’s standard "postpaid" plans often require 36-month device financing, these alternatives allow you to own your device outright with no monthly commitment. Top Retailers for No-Contract Verizon Phones where to buy verizon phones without contract
Go to Swappa, look for Verizon phones that are unlocked. They have them sorted by carrier. You can find Verizon-compatible phones without a contract