All north and south streets or streets running in a northerly and southerly direction, or having been numbered on the north and south house-numbering basis, shall bear the prefix "N", or "S", according to their location with reference to said Madison Street.
All east and west streets or streets running in an easterly or westerly direction, or having been numbered on the east and west house-numbering basis, shall bear the prefix "E", or "W", according to their location with reference to said State Street.
(Prior code § 30-3)