calling card

WordReference Random House Unabridged Dictionary of American English © 2026

call′ing card′, 

1. Also called card, visiting card. a small card with the name and often the address of a person or of a couple, for presenting when making a business or social call, for enclosing in gifts, etc.
2. Informal Terms any mark, sign, trace, characteristic, or the like by which someone or something can be recognized.
3. Also called phone card. a prepaid card or charge card that can be used at a public telephone instead of coins.
• 1895–1900, American.

calling card, +

1. Telecommunications a prepaid card or charge card that can be used to make a call from a telephone away from home.

Also called phone card. 

Collins Concise English Dictionary © HarperCollins Publishers::

calling card noun

1. a small card bearing the name and usually the address of a person, esp for giving to business or social acquaintances
   Also called: visiting card