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
Subject to relevant terms and conditions. Please click here for details.
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Many more plans are available
We offer flexible Roaming and IDD plans to suit your business needs. Please contact us or call 2281 8818 for more information.