Loading view. There were no results found. There were no results found. Longmont Theatre Company Events Venues Longmont Theatre Company 513 Main Street Longmont, 80501 Get Directions 303-772-5200 www.longmonttheatre.org Events at this venue Today Upcoming Upcoming Select date. Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file