According to our records, this business is located in Danville (in Contra Costa County), California 94526, the location GPS coordinates are: 37.8215929 (latitude), -121.9999606 (longitude). Signal Telephone & Comms is categorized under Telephone Communications Broker (SIC code 4813). Current estimates show that the unit has a sales volume of $2,664,000 and staff of approximately 8 people. You can contact the company by phone at (925) 837-7974.