Amateur Radio Callsigns in ZIP Code: 11973
| Callsign | Name | City | State | Country |
|---|---|---|---|---|
| K2BNL | BROOKHAVEN NATIONAL LABORATORY ARC | Upton | NY | United States |
| WA2KKJ | Cerniglia, Philip M | Upton | NY | United States |
| WD2M | MATSUDA, YOSHIYUKI | Upton | NY | United States |
| WX2OKX | Tri-State Skywarn Group | Upton | NY | United States |
| KD2FFF | Di Ruzza, Benedetto | Upton | NY | United States |
| KD2WUM | Weidner, Randy J | Upton | NY | United States |