The USPS follows the same holidays as the Federal Government. If the Federal Government is closed on Flag Day,
then the USPS and the Post Offices are closed on Flag Day.|
Flag Day is not a Federal Holiday in the United States, therefore, the Post Office is not usually closed on
However, the USPS is closed on Sundays. If Flag Day is on a Sunday, then the Post Offices of the USPS will be closed.
Choose another holiday or special day below to find out if the Post Offices of the United States Postal Service are open.