I had the same issue and got on the chat. They resolved the issue. I did
have to update my IOS to the latest and also had to delete my recent
call list. Try directly dialing the phone number and it went through.
My phone started doing this today also. Whenever i try to call out i get
a voice saying "we're sorry the number you have dialed has calling
restrictions that has prevented the completion of your call announcement
803"Even when people try calling, my ...