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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.
Notice: Starting from 18 Jun 2026 (HK Time 00:00), 1638 IDD charges of below destinations# will be adjusted.
For details, please click here.
#Including Global Star, Inmarsat SNAC – Aero, Inmarsat Bgan Low Speed Voice & Inmarsat Bgan HSD.
