Explore details about location North Columbia Boulevard - Astor Street Alley. North Columbia Boulevard - Astor Street Alley is a location situated within the Portland alongside other areas such as Northeast 20th Avenue, Southeast Holgate Boulevard, North Columbia Boulevard - Astor Street Alley. Additionally, some smaller parts of North Columbia Boulevard - Astor Street Alley include specific areas like North Richards Street, North Columbia Way, North Portland Road adding to the diversity of its landscape.