I want to make sure that the zip-code areas that are covered in IMPLAN are the Bureau of Census Zip-Code Tabulation Areas (ZCTA). I can find a census site that displays the physical location of each of the ZCTAs but I cannot seem to find an IMPLAN map that shows the physical location of zip-codes for each state or county. From the census: https://tigerweb.geo.census.gov/tigerweb/ I also found one thread from this forum that seems to confirm that you use the ZCTA: "Our raw data usually are collected and reported according to ZCTAs, which generally map 1:1, but not always perfectly, with USPS zip codes. Sometimes, though, the data are reported by a zip code that might be for a particular..." http://support.implan.com/index.php?option=com_kunena&view=search&q=Zip%20code%20map&childforums=1&Itemid=1848 Can you confirm that if I build a contiguous section of zip-codes using the ZCTA in Gila and Penal Counties in Arizona it will be the same physical area in IMPLAN? Thanks, Donovan
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