1638 IDD - Country Code and Charges

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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 22 Oct 2026 (HK Time 00:00), 1638 IDD charges of below destinations^# will be adjusted. For details, please click here。

^#Including Inmarsat SNAC – B, Inmarsat SNAC – M, Inmarsat SNAC – Mini M & Sierra Leone.

Destinations	Peak Rate (9:00AM - 8:59PM)	Off Peak Rate (9:00PM - 8:59AM)
Inmarsat SNAC - B	HK$68.00/min	HK$68.00/min
Inmarsat SNAC - M	HK$68.00/min	HK$68.00/min
Inmarsat SNAC – Mini M	HK$68.00/min	HK$68.00/min
Sierra Leone	HK$13.90/min	HK$13.90/min

Country Code and Charges

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