ZIP Code API

The ZIP Code API has everything you need for U.S. and Canadian ZIP Codes. Functions are available for Address Form Autocompletion, ZIP Code of Address, Distance Calculations, Radius Searching, and full ZIP Code List retrieval. Our ZIP Code API is a RESTful service with JSON and XML response data types. Try it out for free!

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Try the Autocomplete

Multiple Function ZIP Code API

• Free API with Premium Levels
• RESTful Service with JSON/XML Response
• Covers U.S. and Canada
• Find ZIP Code of Address
• Form Autocompletion & Validation
• Distance, Radius, and more
• We use Accurate and Licensed Data

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Start Using the API       See all Samples       Review the Documentation

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Quick ZIP Details

Quickly retrieve the basics of a given ZIP Code or Postal Code: City, State, County, Latitude, and Longitude.

See Sample

Full ZIP Code Details

Retrieve all information on a given U.S. ZIP Code or Canadian Postal Code.

See Sample

Find ZIP of Address

Supply an address, city, and state to get the ZIP Code and ZIP+4 (U.S. Only).

See Sample

Get All ZIP Codes

Supply a State/Province to get all ZIP Codes or Postal Codes that are currently valid.

See Sample

ZIP Code Radius Finder

Find all ZIP Codes within X miles from the ZIP Code of your choice.

See Sample

Radius Finder by Lat/Lon

Supply a Latitude/Longitude coordinate to find all ZIP Codes within the selected radius.

See Sample Try it by Map

ZIP Code Distance
Calculator

Calculate the distance between any two U.S. ZIP Code and/or Canadian Postal Codes.

See Sample

Other ZIP Code Distance Calculators

Calculate the distance from a ZIP Code to a Latitude/Longitude point. Also try the Lat/Lon calculator.

See Sample Calculate by Lat/Lon

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