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USA Zip Code DatabaseLooking for a complete and accurate Commercial Zip Code Database? Our 5 digit ZIP Code database products are Commercial Class data perfect for enterprise applications. |
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All About The USPS APIThe USPS API is a zip code API provided by the United States Postal Service to provide developers of web-based applications access to the complete USPS database of postal address information for the United States. |
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What is a Zip Code Directory?A Zip Code Directory is a compilation of all the Zip Codes in the U.S. and their relevant information. |
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Everything you ever wanted to know about Zip CodesThe "ZIP" in Zip Code stands for "Zone Improvement Plan". A ZIP Code indicates the destination post office or delivery area to which a letter will be sent for final sorting for delivery. |
ZIP+4 Codes | What are they and How do I find mine?A ZIP+4 code uses the basic five-digit code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a city block, a group of apartments, an individual high-volume receiver of mail,... |
ZIP Code API | The Best Alternative to the USPS APIBefore we built our industry leading Zip Code API based on the USPS data, we spent nearly two years attempting to work with the USPS API. |
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