Here is some ways the number 69 is used in Gta.
1.GTA London 1969
2.69th St. in GTA 3
3.Area 69 in San Andreas
4.All runways at all airports in the GTA 3 Era are numbered 69
5.Shipping containers numbered 69
6.69 Cents is a discount store in San Andreas
7.San Andreas football team the San Fierro 69ers
8.On the side of the aircraft carrier in Easter Basin is the number 69
9.Pier 69 where you
10.69th St. Diner in GTAIV
11.On the side of tour buses in GTAIV