Amateur Radio Callsigns in ZIP Code: 74547
| Callsign | Name | City | State | Country |
|---|---|---|---|---|
| KM5UQ | Dalpoas Jr., Terry W | Hartshorne | OK | United States |
| N5AVV | WRIGHT, JONATHAN D | HARTSHORNE | OK | United States |
| W5GA | Charette, Douglas L | Hartshorne | OK | United States |
| K5RIP | MORRIS, HARVEY E | HARTSHORNE | OK | United States |
| KI5HMN | Duffy, Zack | Hartshorne | OK | United States |
| W5JBX | Glasco, John J | Hartshorne | OK | United States |