We have certain transactions in various states that contain the Jurisdiction name of ZIP CODE "X Zip Code in our admin console.
It is showing as an STJ
This can happen if you are an SST customer.
The easiest way to tell is if you go to your Nexus configurations and see SST volunteer or non volunteer associated with your state nexus settings for the US.
The SST board for each state have the ability to dictate what specific jurisdictions are named, and in the case of Oklahoma they do this by where the tax lies (ie the zip code etc).
This is expected behavior and is not in error.