According to our records, this business is located at 1993 Vandalia St. in Collinsville (in Madison County), Illinois 62234, the location GPS coordinates are: 38.6962344 (latitude), -89.9679491 (longitude). Gateway Telephone Systems is categorized under Fire Alarm Systems and Equipment Testing (SIC code 1731). Known organization owner is Robert Ebersoldt. You can contact the company by phone at (618) 344-7147; the following fax number is also provided: (618) 346-7088.