Manhattan address algorithm
- Manhattan address algorithm
-
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 20 and add (or subtract) the "magic number" from the table below:
| Street or Avenue |
Magic number |
| Avenue A |
+3 |
| Avenue B |
+3 |
| Avenue C |
+3 |
| Avenue D |
+3 |
| 1st Ave |
+3 |
| 2nd Ave |
+3 |
| 3rd Ave |
+10 |
| 4th Ave |
+8 |
| 6th Ave |
-12 |
| 8th Ave |
+9 |
| 9th Ave |
+13 |
| 10th Ave |
+14 |
| 11th Ave |
+15 |
| Amsterdam Ave |
+59 |
| Audubon Ave |
+165 |
| Ave of the Americas |
-12 |
| Columbus Ave |
+59 or +60 |
| Convent Ave |
+127 |
| Edgecomb Ave |
+134 |
| Ft. Washington Ave |
+158 |
| Lenox Ave |
+110 |
| Lexington Ave |
+22 |
| Madison Ave |
+27 |
| Manhattan Ave |
+100 |
| Park Ave |
+34 |
| Park Ave South |
+8 |
| Pleasant Ave |
+101 |
| St. Nicholas Ave |
+110 |
| Vanderbilt Ave |
+42 |
| Wadsworth Ave |
+173 |
| West End Ave |
+59 |
| York Ave |
+4 |
Special cases
Some streets are special cases:
Fifth Avenue
| Building Number |
Magic number |
| 63-108 |
+11 |
| 109-200 |
+13 |
| 201-400 |
+16 |
| 401-600 |
+18 |
| 601-775 |
+20 |
| 776-1286 |
divide by 10 instead of 20 and subtract 18 |
| 1300-1500 |
+45 |
| Above 2000 |
+24 |
Seventh Avenue
| Building Number |
Magic number |
| 1-1800 |
+12 |
| Above 1800 |
+20 |
Broadway
| Building Number |
Magic number |
| 1-754 |
no numbered streets, south of 8th street |
| 756-846 |
-29 |
| 847-953 |
-25 |
| Above 953 |
-31 |
Riverside
| Building Number |
Magic number |
| 1-567 |
divide by 10 instead of 20 and add 72 |
| Above 567 |
divide by 10 instead of 20 and add 78 |
Central Park West
| Building Number |
Magic number |
| All |
divide by 10 instead of 20 and add 60 |
See also
References
- ^ Manhattan Address Locator
- ^ Frommer's New York City 2010
Categories: Streets in Manhattan | Algorithms
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2010.
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