I'm not sure where your heard this but it's not true. US folks -- with no state exceptions remains restricted from OKX's custodial services which includes their so called "p2p market".

This is what happens if you come from a US IP address on OKX:


Regulations are honestly tough in the USA, I can't think of any other custodial centralized exchange that allows US folks in their hybrid p2p/c2c market. Best course for op is to find a privacy leaning p2p exchange that sits on the grey line.