Identical messages were left on my service for both 281-207-4857 and 281-207-4890. It was a recorded message for a meeting for our alternative high school in the area and that there was an information meeting .
Assuming that they are your parents (first) cousins, then they are your first cousins once removed. Their children will be your second cousins. If you are asking what to call them, then that depends. I always called my parents cousins aunty and uncle... unless they were like my age.
First cousins are family members who have the same two grandparents as each other. In the case of you, they are the children of your aunts and uncles. Second cousins are family members who have the same great grandparents as each other, but not the same grandparents.