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