(especially British English) (British English also phone up) [intransitive, transitive] to make a telephone call to somebody I was just phoning up for a chat. He phoned to invite me out for dinner. Someone phone for an ambulance! Could you phone back later? He phoned home, but there was no reply. I’m phoning about your ad in the paper. phone somebody/something Don't forget to phone New York. For reservations, phone 020 281 3964. Phone them up and find out when they are coming.