Amateur Radio Callsigns in ZIP Code: 56437
| Callsign | Name | City | State | Country |
|---|---|---|---|---|
| AC0WY | Wegner, Scott M | Bertha | MN | United States |
| KD0RLM | Powers, Scott D | Bertha | MN | United States |
| KD0VYW | Rickbeil, Blake E | Bertha | MN | United States |
| KD0VYX | Powers, Matthew | Bertha | MN | United States |
| KD0VYY | Powers, Linda K | Bertha | MN | United States |
| KD0ZPO | Wolfenbarger, Jeremy J | Bertha | MN | United States |
| KE0DIX | Williams, Craig D | Bertha | MN | United States |
| KE0SBN | Steege, Jacklin R | Bertha | MN | United States |