His birth year was listed as 1948. We have found 5 possible relatives of William: Maryann A Jankowski, Charlesw Jankowski, Charles W Jankowski and 2 other people. This year William celebrated his 77 birthday. Other cities that he has stayed in are West Babylon and North Babylon. William F Jankowski Agency Inc is business that might have connection with William. Phone number listed for William is (631) 661-3218. William’s residency is at 285 Silver St, West Babylon, Ny 11704.