Amateur Radio Callsigns in ZIP Code: 95558
| Callsign | Name | City | State | Country |
|---|---|---|---|---|
| WA4SOP | SOLO, CHARLES B | PETROLIA | CA | United States |
| KI6BGL | ISAACSON, JAMES L | PETROLIA | CA | United States |
| KJ6BVJ | Free, Joshua | PETROLIA | CA | United States |
| KJ6BVK | Gilda, Chris M | PETROLIA | CA | United States |
| KJ6BVO | Swafford, Leslie A | PETROLIA | CA | United States |
| W2JIB | Ray III, Homer A | Petrolia | CA | United States |
| KO6HAU | Freedlund, Alison M | Petrolia | CA | United States |
| KO6HBY | Yates, Veronica M | Petrolia | CA | United States |
| KO6HZQ | Queen, Patrick | Petrolia | CA | United States |