W. Fort st
Detroit 73 miles assuming that is the type of thing you are seeing and thereby asking about, it means that from that sign to the Detroit city limit on this route is 73 miles. same for the post office, from that sign to the post office on this route.
Detroit Michigan
The cost just depends on where you advertise the office. Kijiji is a great site to post a free add in the detroit area, including downtown
Post office.Postal service.
Post Offices
FPO = Fleet post office for Navy personel. Apo = Army post office for Army personel
Main Post office (Head Post Office) to Main Post Office (Head Post Office)
Postal service
The plural is Post Offices
Go to the post office.
Depends which post office you are at.