Zippopotam.us

Free, easy to use postal code lookup service

Gain valuable insights about your users' location by looking up their postal code. Easily enable location-based features in your application.


Lightning Fast

Quickly execute postal code lookups, city to postal code lookups, and more.

International Coverage

Coverage in countries such as United States, Canada, United Kingdom, and more!

Unrestricted

No hard limits or restrictions of any kind. All at no cost.