Ontario Convention Center Southern California Region of Narcotics Anonymous Posted on October 14, 2023 by Beau MFebruary 1, 2024 Ontario Convention Center2000 E Convention Center WayOntario, CA 91764Map Ontario Convention Center Upcoming Events 4:00 pm – 12:00 pm, October 11, 2024 – October 13, 2024 – SCRCNA 45 - SoCal Clean