If you are in Highland Park, NJ, you can reach the volunteer HP first aid squad by dialing 911.
In an emergency, dial:
9-1-1
ALERT: The town of Highland Park has decided that ALL DAYTIME first aid calls will automatically be answered by a paid service. Anyone calling 911 during the day (including weekends), will be getting a paid ambulance and a bill for around $1500-$2000.