1638 IDD - Country Code and Charges - SmarTone

1638 IDD

Country Code and Charges

Enjoy competitive rates to all destinations at all times with our 1638 IDD service. You may use fixed-lines, fax machines or 1638 IDD Service Number to make IDD calls.
Please select a destination to get the country code, area codes and 1638 IDD charges.

Please select a destination

Notice: Starting from 23 Nov 2026 (HK Time 00:00), 1638 IDD charges of below destinations^# will be adjusted. For details, please click here。

^#Including United Kingdom, Kazakhstan.