Amateur Radio Callsigns in ZIP Code: 50674
| Callsign | Name | City | State | Country |
|---|---|---|---|---|
| KA0LWS | ERRETT, CANDACE S | Sumner | IA | United States |
| N0VTZ | Axness, James A | Sumner | IA | United States |
| KE0FYG | Mallon, Dita K | Sumner | IA | United States |
| KE0FYH | Mallon, Jimmy B | Sumner | IA | United States |
| KE0FYI | Mallon, Kyle B | Sumner | IA | United States |
| KE0KXL | Risse, Thomas M | Sumner | IA | United States |
| W0FMR | Spiegel, Jacob B | Sumner | IA | United States |
| KE0UDR | Seedorff, Heidi A | Sumner | IA | United States |
| KF0BUG | Hinkel, Tracy K | Sumner | IA | United States |