1638 IDD - Registration - SmarTone

1638 IDD

For Personal Accounts

Visit any SmarTone store or Customer Service Centre

For Corporate Accounts

Please call our Corporate Sales Hotline at 2963 7818 for assistance.

Terms and Conditions for this Service

SmarTone customers with a specified mobile monthly plan can enjoy 1638 IDD calling from Hong Kong to overseas. If customers have not registered for 1638 IDD, please go to any of our stores for registration to enjoy the service.
Subject to relevant terms and conditions. Please click here for details.

1638 IDD Service Number

Country Code and Charges