According to our records, this business is located at P.O. BOX 21 in O Neals (in Madera County), California 93645, the location GPS coordinates are: 37.1282815 (latitude), -119.6943135 (longitude). Ponderosa Telephone Co is categorized under Telephone Communications Broker (SIC code 4813). Known organization president is Elizabeth Silkwood. You can contact the company by phone at (559) 868-3312.