1638 IDD - Country Code and Charges

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.

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Notice: Starting from 10 July 2025 (HK Time 00:00), 1638 IDD charges of below destinations^# will be adjusted.
For details, please click here.

^#Including Aruba, Central African Republic, Mali Republic, Netherlands Antilles, Sint Maarten, Nicaragua, Portugal, Senegal & St. Kitts And Nevis.

Service

1638 IDD Service Number

Registration

Destinations	Peak Rate (9:00AM - 8:59PM)	Off Peak Rate (9:00PM - 8:59AM)
Aruba	HK$15.00/min	HK$15.00/min
Central African Republic	HK$17.50/min	HK$17.50/min
Mali Republic	HK$16.00/min	HK$16.00/min
Netherlands Antilles	HK$19.00/min	HK$19.00/min
Sint Maarten	HK$15.65/min	HK$15.65/min
Nicaragua	HK$17.50/min	HK$17.50/min
Portugal	HK$12.38/min	HK$12.38/min
Senegal	HK$16.50/min	HK$16.50/min
St. Kitts And Nevis	HK$19.00/min	HK$19.00/min

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