i'm compiling a list of several hundred businesses across the country that i want to be able to sort by time zone.
say for example I have zip codes listed in Column A. Is there a formula I can have in Column B that will return which time zone a particular zip code belongs to?
here are some links that might help
zip prefixes http://en.wikipedia.org/wiki/ZIP_code_prefixes
zip code map http://en.wikipedia.org/wiki/ZIP_Code
time zone map http://www.timetemperature.com/tzus/time_zone.shtml
thanks in advance,
noob
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