I believe you are referring to desktop and mobile notifications. In that case you can go to your Settings> Notification Settings and un-select the options in the "When I Receive a Message" field.
sorry for not mentioning my question clearly, i am reffering to unsubscribe my number from receiving Upwork status notifications
https://status.upwork.com/ there is noway from here are from the Received message in mobile to unsubscribe
Thanks in avance for helping
manythanks for helping