Us Transportation Department Po Box 1431 Dalhart, TX 79022 Phone : (806) 249-4805 Business Category Transportation Programs Us Faa Municipal Airport Dalhart, TX 79022 Phone : (806) 249-4805 Business Category Transportation Programs United States Government Offices--transportation Dept Of, Federal Aviation Admnstrtn, Admnstv Offices Municipal Airport Dalhart, TX 79022 Phone : (806) 249-4805 Business Category Government Offices & Public Schools