General fact: 6626 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 6626 is a boring number.
Trivia: 6626 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Historical date: February 20th is the day in 1792 that the Postal Service Act, establishing the United States Post Office Department, is signed by President George Washington.