Manhattan address algorithm

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The Manhattan address algorithm refers to the formulas used to estimate the closest east–west cross street for building numbers on north–south avenues in the New York City borough of Manhattan.[1][2]

Algorithm[edit]

To find the approximate number of the closest cross street, divide the building number by a divisor (generally 20) and add (or subtract) the "magic number" from the table below:

Street/Avenue Building No.  Divisor Magic No.  (unrounded result)
Avenue A All
Avenue B All
Avenue C All
Avenue D All
1st Avenue All
2nd Avenue All
3rd Avenue All
4th Avenue All
5th Avenue 63–108 14.15–16.4
5th Avenue 109–199 18.45–23
5th Avenue 200–399 26.05–36
5th Avenue 400–599 38.05–48
5th Avenue 600–774 50.05–58.75
5th Avenue 775–1286 59.6–110.6
5th Avenue 1287–1499 110–120
5th Avenue Above 1500 124+
6th Avenue All
7th Avenue 1–1800 12.05–102
7th Avenue Above 1800 110+
8th Avenue All
9th Avenue All
10th Avenue All
11th Avenue All
Amsterdam Avenue All
Audubon Avenue All
Avenue of the Americas All
Columbus Avenue All [3]
Broadway 1–754 (few numbered streets south of 8th)
Broadway 756–846 8.8–13.3
Broadway 847–953 17.35–22.65
Broadway Above 953 16.65+
Central Park West All
Convent Avenue All
East End Avenue All
Edgecombe Avenue All
Ft. Washington Avenue All
Lenox Avenue All
Lexington Avenue All
Madison Avenue All
Manhattan Avenue All
Park Avenue All
Park Avenue South All
Pleasant Avenue All
Riverside Drive 1–567 72.1–128.7
Riverside Drive Above 567 134.7+
St. Nicholas Avenue All
Vanderbilt Avenue All
Wadsworth Avenue All
West End Avenue All
York Avenue All

See also[edit]

References[edit]