Mobile country code (MCC)
452
International dialling prefix:
84
Major carriers:
Viettel Group
MobiFone
VinaPhone
SMSGlobal supported:
Long Code - No
Short Code - No
Sender ID - No
One-way communication - Yes
Two-way communication - No
Opt-in requirements - Customers should opt-in to receive messages.
Opt-out requirements - STOP keyword must be included for customers to opt-out of receiving messages.
Message content
Content related to the following is not permitted:
Religion
Adult themes
Race
Gambling
Charity
Betting
Message format supported:
Unicode - Yes
Concatenated messages - Yes
Delivery receipts (DLR) supported - Yes
Useful regulatory links:
Vietnam Telecommunications Authority - http://vnta.gov.vn