Amateur Radio Callsigns in ZIP Code: 50665
| Callsign | Name | City | State | Country |
|---|---|---|---|---|
| KC0LKS | NOOK, FRANK D | Parkersburg | IA | United States |
| K0QLT | Leto, Linnea S | PARKERSBURG | IA | United States |
| W0IW | LETO, JOSEPH W | PARKERSBURG | IA | United States |
| W0PPX | SIEMS, CARLAND K | PARKERSBURG | IA | United States |
| KF0BUJ | Holm, Nicholas A | Parkersburg | IA | United States |
| KF0MNH | Timmer, Michael D | Parkersburg | IA | United States |