Does an unlocked verizon iphone 4 work with a t-mobile sim card?

Verizon phones do not have a sim card so I don't see how it could work.

Verizon phones does not have a SIM card slot. So you cannot use it. You can buy any GSM iPhone to use your T-mobile SIM card with it. You can get some good deals on unlocked iPhone models from ebay or amazon. Before buying an unlocked iPhone make sure from the seller, how was the iPhone unlocked. Certain unsafe unlocking methods would give iOS problem while working with other SIM cards. Temporary unlocking methods will also relock the iPhone on your future iOS updates. Resulting in more expense. So it is better to buy a network locked iPhone for low cost and unlock it safer and permanently by yourself. You can unlock an iPhone using remote unlocking service. You can get the remote unlocking service for an iPhone from TheUnlockArena.com This method of unlocking is safe, simple, affordable, quick and permanent. It doesn't require a jailbreak too. Good luck.