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USPS Address Verifier is a Dashboard widget that takes any US address and verifies it via the United States Postal Service's website.

This widget is also useful for looking up an address' ZIP+4 code. According to the USPS, "Using the correct ZIP+4 code reduces the number of handlings and significantly decreases the potential for error and possibility of misdelivery."


Mac OS X 10.4 or later

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USPS Address Verifier User Discussion

4.8 1


Current Version (1.x)


Downloads 2,709
Version Downloads 2,151
License Free
Date 28 Jun 2005
Platform OS X / PPC 32
Price Free
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