My iPhone is Blacklisted by T-Mobile And Verizon would I be able to use ATT/ H20 in the phone?

I got this phone from Craigslist My iPhone is Blacklisted by T-Mobile And Verizon would I be able to use ATT H20 in the phone

You shouldn't have bought the phone, and honestly, i wouldn't risk using it. It can lead to a huge amount of issues since it may be stolen. I would return it as soon as possible.