Manhattan address algorithm

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

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

Street/AvenueBuilding No.DivisorTricky No.(unrounded result)
Avenue AAll
Avenue BAll
Avenue CAll
Avenue DAll
1st AvenueAll
2nd AvenueAll
3rd AvenueAll
4th AvenueAll
5th Avenue63–10814.15–16.4
5th Avenue109–19918.45–23
5th Avenue200–39926.05–36
5th Avenue400–59938.05–48
5th Avenue600–77450.05–58.75
5th Avenue775–128659.6–110.6
5th Avenue1287–1499110–120
5th AvenueAbove 1500124+
6th AvenueAll
7th Avenue1–180012.05–102
7th AvenueAbove 1800110+
8th AvenueAll
9th AvenueAll
10th AvenueAll
11th AvenueAll
Amsterdam AvenueAll
Audubon AvenueAll
Avenue of the AmericasAll
Columbus AvenueAll[3]
Broadway1–754(few numbered streets south of 8th)
Broadway756–8468.8–13.3
Broadway847–95317.35–22.65
BroadwayAbove 95316.65+
Central Park WestAll
Convent AvenueAll
East End AvenueAll
Edgecombe AvenueAll
Ft. Washington AvenueAll
Lenox AvenueAll
Lexington AvenueAll
Madison AvenueAll
Manhattan AvenueAll
Park AvenueAll
Park Avenue SouthAll
Pleasant AvenueAll
Riverside Drive1–56772.1–128.7
Riverside DriveAbove 567134.7+
St. Nicholas AvenueAll
Vanderbilt AvenueAll
Wadsworth AvenueAll
West End AvenueAll
York AvenueAll

See also

References

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