Kansas Avenue in the City shall be the dividing line east and west, and First Avenue shall be the dividing line north and south, for the numbering of buildings in the City. From the dividing lines or streets in either direction, each 25 feet of land shall be known as a building number, excluding all streets, avenues and alleys. All numbers shall progress from block to block, commencing at number 100 at the dividing lines or streets as provided in this section, rising 100 at the crossing of every street in any direction from the dividing lines or streets, and shall be numbered as even numbers on the east sides of all streets, and as odd numbers on the west sides of all streets; as even numbers on the north sides of all streets, and as odd numbers on the south sides of all streets. On all streets, avenues and highways running north and south, numbering shall commence with number 100 on the south side of First Avenue and number 100 on the north side of First Avenue; provided, that the space occupied by the Kansas River shall be considered as two blocks. All streets running east and west crossing Kansas Avenue at right angles shall be known on the east side of Kansas Avenue as East Second Street, East Third Street, East A Street, and the same with all streets, avenues and highways running at right angles with Kansas Avenue from the northern to the southern limits of the City. All streets running parallel with Kansas Avenue north of First Avenue shall be known as North Harrison Street, North Quincy Street, and the same with all streets, avenues and highways running parallel to Kansas Avenue to the north limits of the City. (Code 1981 § 10-503. Code 1995 § 26-631.)