18 U.S. Code § 23.[1] Court of the United States defined

As used in this title, except where otherwise expressly provided [2] the term “court of the United States” includes the District Court of Guam, the District Court for the Northern Mariana Islands, and the District Court of the Virgin Islands.

[1]  So in original. No has been enacted.

[2]  So in original. Probably should be followed by a comma.