Federal Office Building may refer to: in the United States (by state) Federal Office Building 6 (FOB 6), original name of the Lyndon Baines Johnson Department of Education Building in Washington, D.C. Federal Office Building (Omaha, Nebraska), listed on the National Register of Historic Places (NRHP) Federal Office Building (New York, New York), listed on the NRHP Post Office, Courthouse, and Federal Office Building, Oklahoma City, Oklahoma, listed on the NRHP Customs House (Nashville, Tennessee), also known as Federal Office Building, listed on the NRHP Estes Kefauver Federal Building and United States Courthouse, Nashville, Tennessee, listed on the NRHP Federal Office Building (Austin, Texas), listed on the NRHP in Travis County, Texas Federal Office Building (Seattle, Washington), listed on the NRHP Federal Office Building (Cheyenne, Wyoming), listed on the NRHP in Laramie Count See also Federal Building (disambiguation) Federal Triangle, multiple buildings in Washington D.C.