It's more like "WHAT" is it calling.......

Dirty stinking knuckle-dragging Chimpanzees in Kingston, Jamaica trying hard to rip you off.
Areacode 876 is NOT a toll free number. It's a number on the Mossel Cellular system in Jamaica.
DO NOT CALL THEM BACK!!!!
DO NOT GIVE THEM ANY INFORMATION!!!
Google "Jamaican telephone scam"  NOW!!