| Business | Phone |
| Lake Barkley Christian Academy 209 E Noel Dr, Cadiz 42211 | (270) 522-1313 |
| Trigg County Board-Education 202 Main St, Cadiz 42211 | (270) 522-6075 |
| Trigg County Elementary School 205 Main St, Cadiz 42211 | (270) 522-2220 |
| Trigg County High School 203 Main St, Cadiz 42211 | (270) 522-2200 |
| Trigg County Middle School 205 Main St, Cadiz 42211 | (270) 522-2210 |
| Adult Basic Education Ctr 205 Main St, Cadiz 42211 | (270) 522-2211 |