Located in
Allegheny County
Duquesne Post Offices
Here are all Duquesne PA post office locations. There are many post offices in or around Duquesne, Pennsylvania to choose from. Below is the location of each Duquesne post office. Get the most up-to-date post office hours in Duquesne. Find phone numbers and map out the exact location of the post office you are looking for.