Abstract: A house number display system that includes at least one illumination source for illuminating the numbers identifying the building or house and that is rapidly adapted to display a specific house number. The house number display system includes a front housing portion and a rear housing portion that are connected by a hinge and that are sealable together to define a housing compartment therein; a plurality of number panels; at least one low voltage light assembly installed within the housing compartment; a clip support rod secured across the rear housing portion and positioned within the housing compartment, and a plurality of identical spring loaded number panel support clip assemblies slidably mounted on the clip support rod. The clip support rod has a longitudinal guide channel formed along the length thereof.