When providing your phone number to service providers or stores, your information may easily fall into the wrong hands. This can lead to continuous harassment through calls, texts, or missed calls. If you're using the Vinaphone network, you can easily block calls and messages with simple steps. In this article, we'll guide you through the process.

I. Blocking Calls on Vinaphone Network
1. Registering for Call Blocking Service
Unlock the Power of Vinaphone Call Blocking Feature
Follow this text message format to register:
| DK gửi 9336 |

2. Adding Phone Numbers to Block List
To add a phone number to the call block list, send the following text message:
| CHAN SDT1 SDT2 gửi 9336 |
Important Note:
Example:
- BLOCK 0929999888 0929777888 send to 9336
- BLOCK 0929888777 send to 9336
3. Removing Phone Numbers from Block List
To remove a phone number from the block list, compose the following text message:
| BO SDT1 SDT2 gửi 9336 |
Instructions: SDT1, SDT2 are the phone numbers you want to remove from the block list. You can remove multiple phone numbers at once, separated by spaces.
Example:
- UNBLOCK 0929999888 0929777888 send to 9336
- UNBLOCK 0929888777 send to 9336

Cancellation Procedure for Vinaphone Call Blocking Service
To cancel the Vinaphone call blocking service, send the following text message:
| HUY gửi 9336 |
II. Blocking Vinaphone Network Messages
How to Register for Message Blocking
Message blocking service on Vinaphone network is completely free, so feel free to register and use it. To register, send the following text message:
| DK CHAN gửi 9335 |

2. How to add a phone number to the Vinaphone message block list
To add a phone number to the message block list, send the following text message:
| CHAN SDT1 SDT2 gửi 9335 |
Instructions: SDT1, SDT2 are the phone numbers you want to add to the block list. You can add multiple phone numbers at once, separated by spaces.
For example:
- BLOCK 0929999888 0929777888 send to 9335
- BLOCK 0929888777 send to 9335
3. How to remove a phone number from the Vinaphone message block list
To remove a phone number from the message block list, send the following text message:
| HUYCHAN SDT1 SDT2 gửi 9335 |
Instructions: SDT1, SDT2 are the phone numbers you want to add to the block list. You can add multiple phone numbers at once, separated by spaces.
For example:
- UNBLOCK 0929999888 0929777888 send to 9335
- UNBLOCK 0929888777 send to 9335
4. How to disable message blocking feature on Vinaphone
If you no longer wish to use this service, simply text the following command:
| HUY CHAN gửi 9335 |

In this article, Software Tricks has guided you on how to block phone calls and messages on the Vinaphone network. Wishing you success!
