The White House, located in Washington, D.C. , is the president's official residence and the center of the administration. Under the United States Constitution, the President of the United States is the head of state and head of government of the United States.As chief of the executive branch and face of the federal government as a whole, the presidency is the highest political office in the United States by influence and recognition.his list includes only those persons who were sworn into office as president following the ratification of the United States Constitution, which took effect on March 4, 1789. For American leaders before this ratification, see President of the Continental Congress.
The 48â maximum high side reach is also found in the USPS requirements where at least one tenant mailbox must be located less than 48â above the finished floor. The 15â lower limit is also found in the USPS requirements as the lowest position above the finished floor for the shelf surface of a parcel locker.
Use these rulers and guide boxes to measure letters and large envelopes. Once a piece of mail exceeds the maximum length, height, or thickness of one shape, it automatically gets classified as the next largest shape.Minimum size for Postcards and Letters.5 long x 3-1/2 high.arge Envelopes exceed one of the letter size maximum dimensions. Unusual Shapes and Sizes. Sometimes a piece of mail requires additional postage because it is a certain shape or size that is difficult to process on mail sorting machines. To make sure youâre paying the correct postage, visit pe.usps.com.