zipcode-urban.js

Is a zip code considered urban?

Usage

import { isUrban } from 'zipcode-urban.js';

console.log('Cambridge is urban:', isUrban(02139))

Issues

Known Urban

zipcode	urban	city
02116	true	Boston
02139	true	Cambridge (Boston, MA--NH--RI Urbanized Area)
10001	true	New York
94061	true	San Francisco
98103	true	North Seattle (Wallingford)
60007	true	Chicago
73301	false	Austin
77001	false	Houston

Boston Validation

zipcode	urban	city
02169	false	Quincy
02170	true	Quincy
02456	false	Newton
02495	false	Newton
02474	true	Arlington
02477	false	Arlington
01601	false	Worcester