Never call unknown numbers or scam numbers back. They will just continue calling. Pressing a number to have them remove your phone number from their calling list does nothing at all. Do not answer unknown callers. If it is important they will leave a msg.
Continually Get Calls From This number when I b pick up no one answers. Today they left a message so I check it and is the operator having a conversation with a coworker and she was using foul language #iwishtheywouldstop