Tickets for most Expo events are available at the door.  For major events, tickets are available at PortTix (207) 842-0800.  PortTix is located at Merrill Auditorium, 20 Myrtle St. Portland.  PortTix is open Monday through Saturday 12:00 noon to 6:00 PM.  If you have any questions on where to buy tickets, call the PAFD offices (207) 874-8200.