A spokesperson confirmed some mail processing has been transferred to Louisville from Knoxville, Tennessee.

Officials have not said exactly when or how the delays were fixed. 

Louisville Rep. Morgan McGarvey addressed the city's mail delays on the House floor Thursday, ahead of his expected visit the Gardiner Lane Regional Post Office in Louisville Friday.

USPS officials say the deadline for priority mail packages to be dropped off for Christmas arrival is Wednesday, Dec. 20, and priority express packages must be dropped off by Dec. 21.