Who called from 2157016005

Called and I answered and then they didnt say anything

Nothing there

answering machine picked up: female recorded voice says: "message in english please press 1" then they hung up

commonwealth debt collections.

This number calls my 11 year old daughters phone 4 to 5 times a day. She has a paid as u go phone and its horrible that unknown numbers keep calling an 11 year olds phone !!!