Hello @fujitora27
Thank you for your question.
If you received a confirmation e-mail, it means the Swiss Travel Pass was sold correctly. All Swiss Travel System tickets are available as e-tickets, thers is no need for a customer number.
Please contact our SBB Contact Center (+41 848 44 66 88, CHF 0.08/min) to verify where your Pass is. Our colleagues areavailable 24/7.
I wish you a nice afternoon.
EleonoraS