Can I use an at&a sim on a verizon iphone?

I have a desactivate iphone that used to have verizon sim so is it possible to put a an atat sim.
Or should I just buy a cheap phone then put a sim inside?

No.AT&T use different SIM cards.

There's no such phone company as "at&a".

No you can't. Verizon's iPhones and AT&T's iPhones use different internal hardware to connect to their cell towers so switching SIM cards won't work. The device was specifically made for the carrier it was bought from.

P.S This is mostly only for iPhones not sure about other types of phones.

No. Locked to Verizon.

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