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

^#Including Global Networks - SeaNet Maritime, Korea (North), Liberia, Poland, USA / Alaska / Atlanta / Boston / Brooklyn / Chicago / Denver / Hawaii / Houston / Los Angeles / Miami / New Orleans / New York City / New York / Salt Lake City / San Francisco / Seattle / Washington D.C., Congo, Greece / Athens / Corinth & Zambia.