1638 IDD - Registration

1638 IDD

For Personal Accounts

For Corporate Accounts

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.
SmarTone shall have the right to require the customer to pay a deposit as security for the provision of the 1638 IDD service. Please refer to Terms & Conditions TC01 Clause 7 – Deposit/Advance Payment