Front view = Num pad 1
Rear view = CTRL+Num pad 1
Right view = Num pad 3
Left view = CTRL+Num pad 3
Top view = Num pad 7
Bottom view = CTRL+Num pad 7
Perspective view = Num pad 5
Camera view = Num pad 0
Camera view for selected camera = CTRL+Num pad 0 (For scenes with multiple cameras.)
Rotate view to object = Num pad *
Zoom to selected = Num pad .
Zoom extends = Num pad ENTER
Zoom in and out = Num pad + & -
Rotate view up & down = Num pad 2 & 8
Rotate view left &right = Num pad 4 & 6
Scroll view up & down = CTRL+Num pad 2 & 8
Scroll view left & right = CTRL+Num pad 4 & 6