It shall be the duty of the 911 board to assign or have assigned to each building, store or residence its proper number and, on demand, furnish each owner or occupant of a building, store or residence, or such person that may be employed in the numbering of buildings, stores or residences, with the necessary information as to the number belonging to each building, store or residence. Each of the figures of every number shall not be less than two inches (2") in height, being so marked as to be easily and distinctly read. (1925 Code § 36-5; amd. 2009 Code)