| Business | Phone |
| Mount Vernon High School 400 W Highway 174, Mt Vernon 65712 | (417) 466-7526 |
| Mount Vernon Special Educ Ofc 731 S Landrum St, Mt Vernon 65712 | (417) 466-7545 |
| Mt Vernon Elementary School 301 E Blaze Rd, Mt Vernon 65712 | (417) 466-7512 |
| Mt Vernon Superintendent's Ofc 731 S Landrum St, Mt Vernon 65712 | (417) 466-7573 |
| Southern Lawrence Cnty Chldhd 600 N Main St, Mt Vernon 65712 | (417) 466-2202 |