Below you can find the Gu was chosen as the official u.s. postal service abbreviation for this territory Jeopardy Words Answer. The answer to Gu was chosen as the official u.s. postal service abbreviation for this territory has 4 letters. This clue belongs to the Abbreviations category and is part of Jeopardy Word Level 88. If you scroll near the bottom you will find other clues and answers part of level 88