X0101 EFFECT 33 LIVE 2006-07-14

N-1A

0001357434 Oppenheimer Rochester Arizona Municipal Fund 333-132778 S000012503 Oppenheimer Rochester Arizona Municipal Fund C000033997 A S000012503 Oppenheimer Rochester Arizona Municipal Fund C000033998 B S000012503 Oppenheimer Rochester Arizona Municipal Fund C000033999 C