Night Owl, Maryland's late-night telephone reference service.

To reach Night Owl, call 410-396-3557 in Baltimore and 800-325-6483 elsewhere in Maryland.

The hours for Night Owl are Monday, Tuesday, and Wednesday from 8:00 to 11:00pm, and Thursday and Friday from 5:00pm to 11:00pm.

Night Owl is a service of your State Library Resource Center.