St. Louis area code. used by nelly and the st lunatics
man, other then ATL the lou is the only city i can think of with numerous rappers reppin it. ie nelly, all of the lunatics, j-kwon, chingy, and that one cat who sang 'skip to the lou' cant think of his name.
Pi, which is used for measuring the area and circumference of a circle. Pi continues with repeating digits and does not appear to stop. When 314 is reversed at the other end it spells Pie albiet roughly.