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11 Oct 2007 | Darrin Clement says:Since ZCTAs are not ZIP Codes (see http://www.maponics.com/GIS_Map_Data/ZIP_Code_and_Carrier_Route_GIS/ZCTAs_vs_ZIP_Code_Data/zctas_vs_zip_code_data.html ) you might want to get more up to date ZIP Code map boundary files. |





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