U.S. Senators Markwayne Mullin (R-OK), James Lankford (R-OK), and Representatives Frank Lucas (R-OK), Tom Cole (R-OK), and Stephanie Bice (R-OK) sent a letter to the United States Postal Service Postmaster General Louis DeJoy regarding reports regarding a proposal to have mail from Tulsa, Oklahoma to go through a processing center in Oklahoma City. The Members are concerned on how the changes in the Delivering for America Ten-Year Plan will impact Tulsa USPS employees.