| Business | Phone |
| Communications Dept 221 W High St, Jefferson City 65101 | (573) 751-3770 |
| Energy Division 1659 E Elm St # A, Jefferson City 65101 | (573) 751-4000 |
| Telecommunications Dept 301 W High St # 280, Jefferson City 65101 | (573) 751-3290 |
| Telecommunications Services 301 W High St # 280, Jefferson City 65101 | (573) 751-8645 |
| Public Commission 200 Madison St, Jefferson City 65101 | (573) 751-3234 |
| Public Commission 301 W High St # 530, Jefferson City 65101 | (573) 751-3234 |
| Missouri Energy Assistance 615 Howerton Ct, Jefferson City 65109 | (573) 751-0472 |