Amateur Radio Callsigns in ZIP Code: 91979
| Callsign | Name | City | State | Country |
|---|---|---|---|---|
| W6TWM | Mitchell, Theodore W | Spring Valley | CA | United States |
| W6RGS | Metzger, William | Spring Valley | CA | United States |
| KJ6FXA | Murphy, James W | Spring Valley | CA | United States |
| N6CJM | Metzger, Claudia J | Spring Valley | CA | United States |
| KM6GHI | Hurst, Brandon J | Spring Valley | CA | United States |
| KM6VMS | Sides, Ray M | Spring Valley | CA | United States |
| KN6BRF | Lee, Richard A | Spring Valley | CA | United States |
| KT6CA | Socal DX Chasers | Spring Valley | CA | United States |