eli5 how are streets numbered in new york city?

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i’ve realized no address says like 23rd W 3rd but more like 200 W 23rd. these are just imaginary addresses from the top of my mind. idek if those are real or what’s there. can anybody explain how do you number that?

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Anonymous 0 Comments

as far as i know, when they were planning the city block grid, they assigned each block a 100 number segment, so it was 100, 101, 102, etc then the next block started at 200, 201, 202, etc.

the idea, AFAIK, was to ensure they could build up the block without having to worry about how many properites were on it and running out of address space, because you couldn’t physically fit 100 houses down the street frontage of a single block. thus you can start building on the next block without having to re-order things later or resort to stuff like “number 25b” as often seen in Europe.

bear in mind, this plan was worked out in the early 1810s, LONG before many of the streets in question were laid down or buildings built. they were deciding the street ordering and adresses up to 155th street, while the physical city was still down below the line of 1st street.

It was future proofing that has basically worked to allow seamless expansion up the island of Manhattan for over 200 years at this point.

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