Free geocoding WebService free zip code to latitude and longitude WebService

Postal code

WebService type: Rest
URL: ws.geonames.org/postalcodesearch?
Parameters: postalcode, placename, maxrows, Country
Result: returns a list of places for the placename/postalcode query as XML document
Example http://ws.geonames.org/postalCodeSearch? Postalcode = 9011 & maxrows = 10

Note: Don't forget to URL encode string parameters containing special characters or spaces. (FAQ entry on URL encoding)

This WebService is also available in JSON format for a javascript postal code autocomplete.

Supported countries

• Austria ()
• Australia (Au)
• Belgium (be)
• Bulgaria (BG)
• Canada,FSA only(Ca)
• Switzerland (CH)
• Czech Republic (CZ)
• Germany (de)
• Denmark (DK)
• Spain (es)
• Finland (FI)
• Faroe Islands (FO)
• France (FR)
• Greenland (GL)
• Gouadeloupe (GP)
• GUAM (GU)
• Guyana (Gy)
• Croatia (HR)
• Hungary (HU)
• Iceland (is)
• Italy (it)
• Liechtenstein (Li)
• Luxembourg (Lu)
• Macedonia (MK)
• Monaco (MC)
• Mexico CIO (MX)
• The Netherlands (NL)
• New Zealand (NZ)
• Norway (NO)
• Pakistan (PK)
• Poland (PL)
• Portugal (PT)
• Sweden (SE)
• Slovenia (SI)
• Slovakia (SK)
• San Marino (SM)
• Sri Lanka (lk)
• Thailand (th)
• United Kingdom (UK ),First three letters only
• United States (US)
• South Africa (za)

The WebService postalcodecountryinfo returns information on the available postal codes: http://ws.geonames.org/postalCodeCountryInfo?

 

Source:

Http://www.geonames.org/export/free-geocoding.html