According to the Trenitalia website, only authorized agents can sell tickets on Trenitalia trains. Visit the company's website for a complete list of authorized agents in the US.
Trenitalia schedules are available online through the company's website. It is recommended that you map out your schedule prior to contacting an authorized US booking agent.
When booking tickets online, you will not receive a physical ticket. You will receive an emailed receipt, which will allow you to pick up the physical tickets from the self service centers at the train station. You also have the option of ticketless travel.
