Look up callback in Wiktionary, the free dictionary.
Callback may refer to:
- Callback (comedy), a joke which refers to one previously told
 - Callback (computer programming), executable code that is passed as a parameter to other code
 - Callback (telecommunications), the telecommunications event that occurs when the originator of a call is immediately called back in a second call as a response
 - Callback verification, a method for e-mail address verification used in SMTP
 - Web callback, a technology that provides telephone callback for websites
 - "The Callback", an episode of the TV series Smash
 - Callback, in the performing arts, a stage of the audition process
 
See also
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