Help and support
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Contact and support
Do you need help?
Below you'll find various ways to get more help or to get in touch with us.
Customer Service Chat
To begin a chat, click on the chat icon situated at the bottom right of the page.
Customer Service hotline
You can also reach us personally on our hotline:
0900 00 44 88 (CHF 1.50/call)
Monday through Friday: 9:00 a.m. – 8:00 p.m.
Saturday to Sunday: 10:00 a.m. – 7:00 p.m.
When you are abroad, you can reach our customer service team at the following number:
+41 (0) 44 525 01 20
Sales hotline
You can get free sales advice at the following number:
Monday through Friday: 9:00 a.m. – 8:00 p.m.
Saturday to Sunday: 10:00 a.m. – 4:00 p.m.
Customer portal my yallo
In your personal my yallo, you will find almost everything about your yallo plan. You can easily customize your settings there.
Simply log in here with your yallo number or download our yallo app in the App Store or Google Play to use the following functions:
- View bills online or download as PDF file
- Manage and settle open invoice amounts directly
- Change from paper to email bill and save CHF 4.00/month
- Keep an eye on calls and data usage at home and abroad at all times
- Manage personal information such as address, e-mail, and ID documents yourself with just a few clicks
- Activate or deactivate roaming options
- Set cost control according to personal preferences
- Get SIM information such as your PIN/PUK
Support page
More information and help can be found on our yallo support page: