HeidiTel is a prepaid SIM card that uses callback technology to provide low-cost international roaming in more than 200 countries.
Official address
HeidiTel SA
HeidiTel SA
Unterdorfstrasse 12
CH-8808 Pfäffikon SZ
HeidiTel is a prepaid SIM card that uses callback technology to provide low-cost international roaming in more than 200 countries.
Official address
HeidiTel SA
HeidiTel SA
Unterdorfstrasse 12
CH-8808 Pfäffikon SZ