Existing resources for inspiration

[lyzidiamond]

• http://ceadserv1.nku.edu/longa//modules/av/lab/zips/zip_codes.html

[iandees]

• http://www.somebits.com/zipdecode-js/

[jonahadkins]

USPS has an api here -> https://www.usps.com/business/web-tools-apis/address-information.htm#2 and documentation here -> https://www.usps.com/business/web-tools-apis/address-information-api.htm

[geobrando]

Good overview of how the U.S. Census Bureau produces Zip Code Tabulation Areas (ZCTA), including a helpful animation.

• https://www.census.gov/geo/reference/zctas.html

Maponics is likely the market leader in commercial zip code areas but their methodology is likely secret and proprietary

• http://www.maponics.com/zip-code-boundaries

[chriswhong]

I just liberated that thing from flash... it was dying to be a gif in the first place. You're welcome.

[lyzidiamond]

@chriswhong can't stop watching