How to manage Zain Kuwait mobile number in Blacklist/DND?

How to add or remove my Zain mobile number from blacklist?

To unblock promo SMS for Zain Kuwait network:

- Sending sms to 99999
sms content: Ad on
To: 99999

- In case reply back is not received from Zain automatically, contact the call center on 107 and ask them to remove the number

To block promo SMS for Zain Kuwait network:

- Sending sms to 99999
sms content: ad off
To: 99999

- In case reply back is not received from Zain automatically, contact the call center on 107 and ask them to block promo SMS

Notes:
There is no way to block SMS by specific sender ID at the moment.

For more information, visit the following link:
Contact them by online chat: https://www.kw.zain.com/chat/