Amateur Radio Callsigns in ZIP Code: 93412
| Callsign | Name | City | State | Country |
|---|---|---|---|---|
| KF0OI | sargent 704, richard S | LOS OSOS | CA | United States |
| KF6PBL | Brown III, George M | Los Osos | CA | United States |
| W6IGG | GOFF III, RALPH D | LOS OSOS | CA | United States |
| W6JU | ESTERO RADIO CLUB | Los Osos | CA | United States |
| K6JJW | Watkins, Julian J | Los Osos | CA | United States |
| W6SLO | San Luis Obispo Emergency Comm Council | Los Osos | CA | United States |