History
At some point during graduate school, Iris West began working as a waitress at CC Jitters.
Trivia
The "CC" part of the coffee shop may be an acronym for the city where it's located, being Central City. This is further supported by the fact that GC Jitters and SC Jitters are located in Gotham City and Star City respectively.
Behind the scenes
In the DC Comics, Jitters is a chain of coffee stores located in Central City.
