Hope you had a good Easter and that you didn’t eat too many eggs !!!
*phone (someone) up*
Definition: to telephone someone.
E.g.1: You can visit me any time, but phone me up first to check that I’m at home.
E.g.2: Could you phone the restaurant up and book a table for tomorrow night?
This phrasal verb can be separated. (E.g. 1 & 2)