Amateur Radio Callsigns in ZIP Code: 94581
| Callsign | Name | City | State | Country |
|---|---|---|---|---|
| KI6WQ | TAGGERTY, JOSEPH | NAPA | CA | United States |
| N6UIH | PEATMAN, ANGELA | NAPA | CA | United States |
| KG6VTQ | Dewald Jr, Robert J | Napa | CA | United States |
| KG6WKO | Zinsli, Cathy J | Napa | CA | United States |
| KG6WVL | Muller, Alli | Napa | CA | United States |
| K6ZRX | Heide, Joshua C | Napa | CA | United States |
| KM6WGD | MASSEY, CAROLINE L R | NAPA | CA | United States |
| KM6ZKD | Stewart Sr, John D | Napa | CA | United States |
| KM6ZUF | MASSEY, LINDA A | NAPA | CA | United States |
| KN6NUW | Hennessy Jr, Patrick W | Napa | CA | United States |