yallo Hotline & Customer Care Number
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
Live Chat
- Access: Click the chat icon at the bottom right of the yallo website.
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.
yallo App
- 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