| Business | Phone |
| Dennis M Kenney Middle School 846 Cayuga St, Hannibal 13074 | (315) 564-7955 |
| Farley Elementary School 953 Auburn St, Hannibal 13074 | (315) 564-7945 |
| Hannibal Central School Dist 928 Cayuga St, Hannibal 13074 | (315) 564-7900 |
| Hannibal Central School Supt 1051 Auburn St, Hannibal 13074 | (315) 564-7902 |
| Hannibal High School 928 Cayuga St, Hannibal 13074 | (315) 564-7910 |