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You searched for: Author Geographic Data Technology, Inc. (GDT) Remove constraint Author: Geographic Data Technology, Inc. (GDT) Subject Location Remove constraint Subject: Location Subject Society Remove constraint Subject: Society Place Michigan Remove constraint Place: Michigan
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1. Michigan ZIP Code Areas 2002

2001. Geographic Data Technology, Inc. (GDT). Michigan 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 ... Environmental Systems Research Institute, Inc. (ESRI).