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Geographic Data Technology, Inc. (GDT)
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Restricted
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Alaska
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Data type
Polygon
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Year
2001
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1. Alaska ZIP Code Areas 2002
2001. Geographic Data Technology, Inc. (GDT). Alaska ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of a ... Environmental Systems Research Institute, Inc. (ESRI).