Amateur Radio Callsigns in ZIP Code: 21777
| Callsign | Name | City | State | Country |
|---|---|---|---|---|
| N3FVF | ZARRELLA JR, VINCENT E | POINT OF ROCKS | MD | United States |
| W2SIP | Villar Jr., Albert F | Point of Rocks | MD | United States |
| KC3CZW | RADOWSKI, MICHAEL D | Point of Rocks | MD | United States |
| KC3GBL | Point Of Rocks Amateur Radio Club | Point Of Rocks | MD | United States |
| KC3WVP | Neeves, Trenor | Point of Rocks | MD | United States |