The original Brooklyn divisions were 6,7,8 and 9. SI was 10. In January 1906, 10 renumbered as 6, placing a 6 on SI. In November 1906, Bronx Division 5 renumbered as 6, so 6 was in Da Bronx. In 1907, 6 went to 80?s house in Manhattan.
The 6 reappeared in Da Bronx in 1956 and has remained...