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 22 September 2025 (HK Time 00:00), 1638 IDD charges of below destinations# will be adjusted.
For details, please click here.
#Including Equatorial Guinea, Korea (North), New Caledonia, Ascension Island, Global Networks - Antarctica, Global Networks – OnaAir Aircrafts, Global Networks - SeaNet Maritime, Haiti, Netherlands, Slovenia & St. Helena.