Swiss travel pass date change

Dear

I’d like to change Swiss Travel Pass Date

Valide From [Oct 4th ~ Oct 12th] to [Oct 31th ~ Nov 7th]

Please help me to change

Thanks

Jiyun

Thank you for your query.

In this case I recommend you to contact our Railservice: 0848 44 66 88 (CHF 0.08/min).

I wish you a nice day.

GiorgiaB