Looking on the internet deeply has found these results:

i reached at office is the most popular phrase on the web.

i have reached at office 16 results on the web	i reached at office 12,110 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
You have reached the offices of the Alice Monroe Fund. You have reached the office of Mr. E. Edward Grey. You have reached the offices of Dunder Mifflin Scranton. You have reached the office of Douglas Wilson and his assistant, Nancy Botwin. You have reached the offices of Ford Research. Woman (Recorded): You have reached the office of Dr. Judy lesterman and Dr. ira rothkiss. You have reached the offices of St Saviour's. You have reached the offices of Sentron, Inc.	You've reached the offices of Byron... You've reached the offices of Psych. Hello. You've reached the office of Dr Gina Toll. You have reached the offices of Ford Research. You have reached the offices of Dunder Mifflin Scranton. You have reached the offices of the Alice Monroe Fund. You've reached the office of Dr. Baldwin. You've reached the office of Professor Carey.

i have reached at office

16 results on the web

i reached at office

12,110 results on the web

More popular!

You have reached the offices of the Alice Monroe Fund.
You have reached the office of Mr. E. Edward Grey.
You have reached the offices of Dunder Mifflin Scranton.
You have reached the office of Douglas Wilson and his assistant, Nancy Botwin.
You have reached the offices of Ford Research.
Woman (Recorded): You have reached the office of Dr. Judy lesterman and Dr. ira rothkiss.
You have reached the offices of St Saviour's.
You have reached the offices of Sentron, Inc.