Before the people came to set up the t.v. He is writing of that period from an imaginary point time after the fact. Speaking of which remember a first-person narrator of a fictional story in which that narrator is also a character, does not necessarily imply that the narrator is a writer. At the end of the story nothing is really revealed or explained. You haven't proven this.
Nothing is answered.
The story could have been written for anyone of any cultural background. But it could easily have been done anyway. The only possible indication of cultural reference is the names of the magazines that the wife reads but they hardly give any clue. The names are of very popular magazines that are distributed worldwide. No town or city names are mentioned or the name of the company that the narrator works for.