Amateur Radio Callsigns in ZIP Code: 83821
| Callsign | Name | City | State | Country |
|---|---|---|---|---|
| KB7YOG | CAMPANA, DAVID L | Coolin | ID | United States |
| KC6CSC | AHLEFELD, RALPH D | COOLIN | ID | United States |
| KI7LFG | Nielsen, Mike A | Coolin | ID | United States |
| KJ7MYP | Pettit, Albert K | Coolin | ID | United States |
| KJ7QVD | Morse, James K | Coolin | ID | United States |
| KJ7RVD | Gray, Karen M | Coolin | ID | United States |