| Business | Phone |
| Grace Lutheran School 344 Washington Ave, Dumont 7628 | (201) 836-0994 |
| Grant Elementary School 100 Grant Ave, Dumont 7628 | (201) 387-3050 |
| Honiss Elementary School 31 Depew St, Dumont 7628 | (201) 387-3020 |
| Lincoln Elementary School 80 Prospect Ave, Dumont 7628 | (201) 387-3040 |
| Dumont Board Of Education 25 Depew St, Dumont 7628 | (201) 387-1600 |
| Dumont High School 101 New Milford Ave, Dumont 7628 | (201) 387-3000 |
| Dumont Public School 25 Depew St, Dumont 7628 | (201) 387-3082 |
| Dumont Superintendant-Schools 25 Depew St, Dumont 7628 | (201) 387-3080 |
| St Mary's Catholic Church 280 Washington Ave, Dumont 7628 | (201) 384-3062 |
| St Mary's Catholic School 21 New Milford Ave # 31, Dumont 7628 | (201) 384-0512 |
| Selser Elementary School 435 Prospect Ave, Dumont 7628 | (201) 387-3030 |