yallo Contact
Hotline, Chat & Customer Service Number
Have a question? Get answers quickly in our chat – simply click the chat icon in the bottom right corner of this page. For more in-depth guidance, our support pages are full of useful information and tips. Prefer a personal touch? Give us a call on our hotline – we're happy to help.
Live Chat
Access: Click the chat icon at the bottom right of the yallo website.
Customer Service Hotline
Domestic:
Number: 0900 00 44 88
This is the official number for support, billing, and general inquiries.
Cost: CHF 1.50 per call
Hours: Mon–Fri 08:00–20:00 | Sat–Sun 10:00–19:00
From abroad:
Number: +41 44 525 01 20
Hours: same as domestic
Sales Hotline (Free)
Number: 0800 00 48 48
Purpose: Sales advice and new subscriptions
Cost: Free
Hours: Mon–Fri 09:00–20:00 | Sat–Sun 10:00–16:00
Customer Portal – my yallo
In your personal my yallo account, you will find information about your yallo plan. You can easily customize your settings there. Simply log in online 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
