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is-valid-us-zip

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is-valid-us-zip

A small library for checking if a US 5 Digit ZIP code is real

  • 1.2.4
  • Source
  • npm
  • Socket score

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6
increased by20%
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1
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Is Valid US ZIP

A "small" library for checking if a US 5 Digit ZIP code is real.

Install

npm install is-valid-us-zip

Usage

const isValidUSZip = require('is-valid-us-zip');

isValidUSZip("75000") // false

The function will return false for a value that is not a stirng. As you can't reference some zip codes as a number, due to the starting with a 0.

Building

Download a copy of the AREADIST_ZIP5.TXT file from USPS and pipe it into the tree builder script.

$ cat AREADIST_ZIP5.TXT | node build/make-tree.js

Data Source

  • https://postalpro.usps.com/address-quality/ais-viewer - AREADIST_ZIP5.TXT

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Package last updated on 17 Jul 2022

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