The number is currently on switch number WASHDCSW2TD. While 2028447263 was originally issued with the info above, the owner of the phone number (202) 844-7263 may have transferred it through a process called porting.
Caller name: IRS???
Caller type: Unknown
Says this is my last opportunity to talk to an IRS agent before I have to appear before a federal magistrate, and that I need to call this same number to speak to said agent. It actually sounds legit, except when I call the number says call was rejected and then disconnects.