I found this interesting, a 2009 Kingdom Ministry with reference to the branch office in Guam.
*** km 2/09 p. 4 Announcements ***
The address for the Guam branch office is Watchtower Bible and Tract Society, 143 Jehovah Street, Barrigada, GU 96913.
It peaked my curiosity so I decided to see what this street looks like from satellite. The illustration below is that photo along with a snippet of a map from Google.