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For Viettel, the personal identification code is highly important. Each subscriber has a unique code, serving as a customer identifier during transactions with Viettel. This code contributes significantly to enhancing customer information security. You can manage this personal code by registering, modifying, or canceling various Viettel services.
The personal identification code consists of 6 characters and is applicable to mobile subscribers, Dcom (prepaid and postpaid), and prepaid home phone services.
Additionally, readers are encouraged to explore our article on how to block calls and messages on Viettel's network.
Step-by-Step Guide to Obtain Viettel Personal Identification Code
Check Your Personal Identification Code.
Compose a message using the syntax: TRAMA_PHONE1_PHONE2_PHONE3 and send it to 143
Where '_' represents a space, PHONE1, PHONE2, and PHONE3 are three phone numbers you frequently contact, message, or call within the last 60 days, excluding the most recent 3 days:
Example: TRAMA 0982345678 0975845963 0913658658
Change Your Personal Identification Code.
Compose a message using the syntax: CHANGECODE_OLDCODE_NEWCODE_NEWCODE and send it to 143
Cancel Personal Identification Code
Compose a message using the syntax: CANCEL_PERSONALCODE and send it to 143
Note:
- You can check your personal identification code via text message a maximum of 3 times per day, including both successful and unsuccessful attempts.
- Sending messages to 143: Free of charge.
Here, we have guided you on obtaining Viettel's personal identification code for purposes such as checking invoice details, recovering money transfer passwords, printing invoice details, or adjusting usage limits. Additionally, readers can download the Viettel Mobile Security app for phone protection.
Explore this link for a guide on obtaining Viettel's personal identification code: https://Mytour.vn/huong-dan-lay-ma-so-ca-nhan-viettel-2340n.aspx
