Home › Venues › Colonial Theater Colonial Theater Tickets Buy tickets for concerts at Colonial Theater in Bethlehem, NH. No Upcoming Events No upcoming events scheduled at Colonial Theater. Please contact us with any corrections. Hotels & Lodging Near Colonial Theater About the Venue Colonial Theater At-a-Glance Capacity 300Address2050 Main StBethlehem, NH 03574United States Map & Directions Website bethlehemcolonialtheatre.orgLinks Facebook Twitter Instagram Advertisement