Amateur Radio Callsigns in ZIP Code: 66748
| Callsign | Name | City | State | Country |
|---|---|---|---|---|
| KA0BPF | BAUER, CHRISTOPHER L | HUMBOLDT | KS | United States |
| N0NBD | SMITH, PAUL D | HUMBOLDT | KS | United States |
| N0TKO | SMITH, SARAH L | HUMBOLDT | KS | United States |
| N0TSX | COPLEY, DONALD D | HUMBOLDT | KS | United States |
| KE7WVU | Cloutier, Thomas A | Humboldt | KS | United States |
| KE0HGM | Sigler, Jared L | Humboldt | KS | United States |
| KE0SOL | Smith, Leslie A | Humboldt | KS | United States |
| KF0MDT | Francis, Trefor L | Humboldt | KS | United States |