CAN'T SEND A MESSAGE TO 1346 FROM MY NOTE 9

[Kingsoo2k]

Hi friends please i need a help i don't know why i can't send messages to numbers like 1346 but i can send to normal DU line help me please will send a screen shot now 

[Titan_Strikes]

I am also using du sim card for my Galaxy A51 but I don't I have this kind of problem in my phone!, Pls you can try to restart your phone, if this information was helpful the mark this comment as a solution it means a lot to me bro ❤

[Kingsoo2k]

Good morning from dubai yes I have restart my phone so many times but no way is still showing thesame I don't know what to do