Manhattan address algorithm
From Infogalactic: the planetary knowledge core
The Manhattan address algorithm is used to estimate the number of the closest cross street for a given building number on the island of Manhattan. The algorithm is given in any print telephone directory [1] as well as on numerous web pages and in New York City guide books.[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 "magic number" from the table below:
| Street/Avenue | Building No. | Divisor | Magic No. | (result) |
|---|---|---|---|---|
| Avenue A | All | ÷20 | +3 | |
| Avenue B | All | ÷20 | +3 | |
| Avenue C | All | ÷20 | +3 | |
| Avenue D | All | ÷20 | +3 | |
| 1st Ave | All | ÷20 | +3 | |
| 2nd Ave | All | ÷20 | +3 | |
| 3rd Ave | All | ÷20 | +10 | |
| 4th Ave | All | ÷20 | +8 | |
| 5th Ave | 63–108 | ÷20 | +11 | 14.15–16.4 |
| 5th Ave | 109–200 | ÷20 | +13 | 18.45–23 |
| 5th Ave | 201–400 | ÷20 | +16 | 26.05–36 |
| 5th Ave | 401–600 | ÷20 | +18 | 38.05–48 |
| 5th Ave | 601–775 | ÷20 | +20 | 50.05–58.75 |
| 5th Ave | 776–1286 | ÷10 | -18 | 59.6–110.6 |
| 5th Ave | 1300–1500 | ÷20 | +45 | 110–120 |
| 5th Ave | Above 2000 | ÷20 | +24 | 124+ |
| 6th Ave | All | ÷20 | -12 | |
| 7th Ave | 1–1800 | ÷20 | +12 | 12.05–102 |
| 7th Ave | Above 1800 | ÷20 | +20 | 110+ |
| 8th Ave | All | ÷20 | +9 | |
| 9th Ave | All | ÷20 | +13 | |
| 10th Ave | All | ÷20 | +14 | |
| 11th Ave | All | ÷20 | +15 | |
| Amsterdam Ave | All | ÷20 | +59 | |
| Audubon Ave | All | ÷20 | +165 | |
| Ave of the Americas | All | ÷20 | -12 | |
| Columbus Ave | All | ÷20 | +60[3] | |
| Broadway | 1–754 | (no numbered streets south of 8th) | ||
| Broadway | 756–846 | ÷20 | -29 | 8.8–13.3 |
| Broadway | 847–953 | ÷20 | -25 | 17.35–22.65 |
| Broadway | Above 953 | ÷20 | -31 | 16.65+) |
| Central Park West | All | ÷10 | +60 | |
| Convent Ave | All | ÷20 | +127 | |
| Edgecombe Ave | All | ÷20 | +134 | |
| Ft. Washington Ave | All | ÷20 | +158 | |
| Lenox Ave | All | ÷20 | +110 | |
| Lexington Ave | All | ÷20 | +22 | |
| Madison Ave | All | ÷20 | +27 | |
| Manhattan Ave | All | ÷20 | +100 | |
| Park Ave | All | ÷20 | +34 | |
| Park Ave South | All | ÷20 | +8 | |
| Pleasant Ave | All | ÷20 | +101 | |
| Riverside Drive | 1–567 | ÷10 | +72 | 72.05–100.35 |
| Riverside Drive | Above 567 | ÷10 | +78 | 106.35+ |
| St. Nicholas Ave | All | ÷20 | +110 | |
| Vanderbilt Ave | All | ÷20 | +42 | |
| Wadsworth Ave | All | ÷20 | +173 | |
| West End Ave | All | ÷20 | +59 | |
| York Ave | All | ÷20 | +4 | |
See also
References
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- ↑ Frommer's New York City 2010
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