mobileZIPcodes is a small tool that allows you to browse ZIP codes and the corresponding city/state/district/country data on your iPhone or iPod touch. Does not require an internet connection.
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<img src="http://modmyi.com/appimages/zipcodes.jpg" height="480" width="320" border="0" />Â*
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Available via Installer |Â*<a href="http://code.google.com/p/mobilezipcodes/">Developer's Site</a>Â*