Zip Code Lookup API?

api location weather zipcode
Anonymous picture Anonymous · Aug 20, 2011 · Viewed 57.7k times · Source

I need an API to give me the zip code of a location when someone enters a location like Los Angeles, California. I have seen many APIs that give you the details by the zip code, but I need the reverse.

Answer

mdwhatcott picture mdwhatcott · Jan 4, 2012

Check out the API from SmartyStreets.

As with the USPS address information API (mentioned above), you provide an address, the API provides the verified, standardized address along with the complete ZIP Code (5-digit code, Plus 4 Code, and Delivery Point).

Feel free to experiment with the free demo.

The advantages of this API over the USPS API are numerous. Also, the USPS API is meant specifically "to facilitate USPS shipping transactions only". SmartyStreets utilizes official, current USPS data.

**UPDATE: It's also now free for low-usage users.

***UPDATE: SmartyStreets now offers an address API and a ZIP Code API.

In the interest of full disclosure, I'm a software developer at SmartyStreets.

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