| Business | Phone |
| Denville Administrator 1 Saint Marys Pl, Denville 7834 | (973) 627-1234 |
| Denville Board Of Adjustment 1 Saint Marys Pl, Denville 7834 | (973) 625-8307 |
| Denville Building & Constr 1 Saint Marys Pl, Denville 7834 | (973) 625-8328 |
| Denville Community Tv Svc 140 Morris Ave, Denville 7834 | (973) 627-5976 |
| Denville Finance Office 1 Saint Marys Pl, Denville 7834 | (973) 625-8330 |
| Denville Planning Board 1 Saint Marys Pl, Denville 7834 | (973) 625-8336 |
| Denville Purchasing Dept 1 Saint Marys Pl, Denville 7834 | (973) 625-8338 |
| Denville Senior Dial-A-Ride 1 Saint Marys Pl, Denville 7834 | (973) 625-7799 |
| Denville Township Clerk 1 Saint Marys Pl, Denville 7834 | (973) 625-8324 |
| Denville Township Engineering 1 Saint Marys Pl, Denville 7834 | (973) 625-8326 |
| Denville Violations Bureau 1 Saint Marys Pl, Denville 7834 | (973) 625-8320 |