- One important source for travelers in the D.C. area is the Turkish Airlines Washington DC Office Address. This centrally located office provides a variety of services, such as booking flights, modifying tickets, helping with baggage, and other customer support requirements. The staff at the Turkish Airlines Washington DC Office is here to help, whether you're getting ready for a trip abroad or have inquiries concerning your existing reservation. They offer individualized, in-person assistance to make sure your trip goes as smoothly as possible. It is best to visit or get in touch with the office directly for information about the location and services offered.