phone up

1 of 1verb

/ˈfoʊn ʌp/

Forms:phones up,phoning up,phoned up,phoned up

to call someone using a telephone

I'll phone up the restaurant and make a reservation for tonight.
If you have any questions about the assignment, don't hesitate to phone me up.
He phoned up his sister to wish her a happy birthday.
Before visiting, it's always good to phone up and check if they are available.
She felt lonely, so she decided to phone up her best friend for a chat.