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