The federal holiday is held on the third Monday of January and commemorates King's legacy.
Because it’s a federal holiday, government agencies, including the U.S. Postal Service, are closed.
Public schools are closed.
Courts are closed.
The New York Stock Exchange is closed.
Most banks, including Bank of America, Wells Fargo, BB&T and Federal Reserve Banks, are closed.
FedEx will be open, although FedEx Express and FedEx SmartPost will operate under modified service, according to USA Today.
According to its holiday schedule, the United Parcel Service will also provide services on MLK Day.
Most grocery and retail stores will also open for the holiday.
Call ahead or go online to check on attractions and tourist destinations in your city to verify hours of operation on the holiday.