Trinity Emergency Medical Service Share: AMBULANCE / EMS Trinity Emergency Medical Service Visit Website PO Box 187 Lowell, MA 01853 (978) 441-9191 (978) 441-2280 (fax) Facebook Twitter Rep Info Map Whom to Contact Chris Dick Phone: (978) 441-9191 Send an Email What's Nearby? Distance: 5 10 15 20 25 50 mi.