calling card
phone card

"They may have 20 phone cards to use," the official said.

But in the case of phone cards, everybody is in the game together.

She stopped and bought a phone card, found his work number in her book, dialed.

They buy him phone cards, and he calls in the dead of the Sudanese night.

To learn if a specific office has phone cards, you must call there.

He has been learning how to call home with a phone card, make his bed and scrub the floor.

To use pay phones you will need to purchase a phone card.

About an hour later, a soldier arrived with a phone card, and I wrote my home number on a white slip of paper.

We were promised changes, but the only change was in our 60-minute phone cards that cost us $25.

A distributor of phone cards said he expected to sell 10,000 in one day.