All locations will be closed Dec 14, 21, 24-25, 28 & Jan 1 and close early during the last 2 weeks of December.
The Oklahoma Tax Commission has a listing by city of all Oklahoma Tag Agencies.
There is a tag agency downtown: Downtown Tulsa Tag Agency, LLC, 201 West 5th Street, Suite 110, Tulsa OK 74103; Phone: 918.582.8247. Their hours are: Monday - Friday, 8:30 am - 5:30 pm.
Source: Oklahoma Tax Commission web site.