A view of the Valley from Sherman Oaks | Photo by Dan Wuh via the LAist Featured Photos pool on Flickr Hear that sound? That's not a jetliner landing at Van Nuys Airport. Those are moans and groans about the impending new area code overlay in the San Fernando Valley. A March 24 judicial decision recommended that the 747 overlay, which would require Valley residents to dial 1 plus the area code within the......