Which airport code corresponds to Dallas, Fort Worth, TX?

The airport code that corresponds to Dallas, Fort Worth, TX is DFW. This code is derived from the full name of the airport, Dallas/Fort Worth International Airport, which serves as a major hub for domestic and international flights. DFW is known for its extensive connectivity and is located between the two cities it is named after: Dallas and Fort Worth.

The other codes provided refer to different airports: IAH corresponds to George Bush Intercontinental Airport, which serves Houston, Texas; RIC refers to Richmond International Airport in Virginia; and SEA stands for Seattle-Tacoma International Airport in Washington. None of these codes represent the Dallas, Fort Worth area, highlighting DFW as the correct choice for this question.