Allocations of block numbers.
Indianapolis-Marion County Revised Code § 431-303
in effectSec. 431-303. - Allocations of block numbers.
(a) There shall be assigned by the metropolitan development department, or under its direction, to each mile on all streets within the city, eight hundred (800) to one thousand (1,000) numbers, or approximately one hundred (100) numbers to each one-eighth (⅛) to one-tenth ( 1/10 ) of a mile, representing the average length of city blocks. Such numbers, in the second and subsequent blocks, or sections thereof, if not intersected by any street for two (2) or more blocks, shall be changed from one hundred (100) to the succeeding hundred at the intersecting street, if any, nearest the one-eighth (⅛) to one-tenth ( 1/10 ) of a mile line, or at such intervals where there are no intersecting or entering streets.
(b) Avenues and diagonal streets shall take numbers for each block to correspond, as nearly as practicable, with those indicating the distance north or south, or east or west, of streets intersecting such avenues or diagonal streets.
(Code 1975, § 28-300)
Source: Consolidated City of Indianapolis and Marion County, Revised Code (Municode Library, library.municode.com)URL: https://library.municode.com/in/indianapolis_-_marion_county/codes/code_of_ordinances?nodeId=TITIIPUORSA_CH431STSIPUWA_ARTIIINUBU_S431-303ALBLNUFetched: 10/27/2026
