Answer:
You can find case number and other case information anytime of the day or night from the “Public Access to Court Electronic Records” (PACER) website.
If the case has been filed in the Northern District of Oklahoma, the case number and limited case information is also available by calling the Multi-Court Voice Case Information System (McVCIS) at (866) 222-8029.
You may also visit or call the Clerk's Office at 918-699-4072 during business hours.