Amateur Radio Callsigns in ZIP Code: 20664
| Callsign | Name | City | State | Country |
|---|---|---|---|---|
| KJ4HFB | Cease, Christopher M | Newburg | MD | United States |
| KJ4IGT | Watkins, Andrew N | NEWBURG | MD | United States |
| KB3UDE | Reitz, Katrina E | Newburg | MD | United States |
| KB3WJX | Hayden, Allen W | NEWBURG | MD | United States |
| KC3CEH | Velasquez, Melissa M | NEWBURG | MD | United States |
| KC3CZM | Antos, Scott P | Newburg | MD | United States |
| KC3VZO | Clancy Jr., Robert C | NEWBURG | MD | United States |