Which airport code represents Cedar Rapids, Iowa?

The airport code that represents Cedar Rapids, Iowa is CID. In the context of airport codes, each code is composed of three letters that uniquely identify locations and their corresponding airports around the world. The code CID stands for The Eastern Iowa Airport, which serves Cedar Rapids and its surrounding areas.

This specific designation helps travelers and airline personnel quickly recognize the airport associated with Cedar Rapids without ambiguity. Other codes listed refer to different locations: CMH represents Columbus, Ohio; CLT is for Charlotte, North Carolina; and CHS corresponds to Charleston, South Carolina. Therefore, CID is clearly the correct choice for identifying Cedar Rapids, Iowa.