Amateur Radio Callsigns in ZIP Code: 20860
| Callsign | Name | City | State | Country |
|---|---|---|---|---|
| KC3KY | MULLAR, LEONARD J | Sandy Spring | MD | United States |
| W3IIA | GALLAGHER, JAMES A | SANDY SPRING | MD | United States |
| W3QWJ | FOGARTY, JOHN D | SANDY SPRING | MD | United States |
| N3VKG | Moore, Chester W | Sandy Spring | MD | United States |
| KC3NMX | Milner, Christopher J | Sandy Spring | MD | United States |
| KC3WVS | JAMIESON, WILLIAM | SANDY SPRING | MD | United States |