Locl postmen are often very familiar with the area, so often, a full name, apartment name and pincode can uniquely identify your house. (In my pincde atleast).

Locl postmen are often very familiar with the area, so often, a full name, apartment name and pincode can uniquely identify your house. (In my pincde atleast). Also helps that the same lady has been delivering our mail for 10 years now, so she knows our name, comes home during Navratri and so on.