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Andy Lipscomb AndyLipscomb at decosimo.com
Thu Oct 23 14:32:30 UTC 2008


Well, all the cases where an entire country is in one time zone, you're done.  Same for the US when a state is within one time zone. Beyond that, it can get tricky. For example, taking the 3xxxx range of zip codes in the US, it has subranges. 300-319 and 399 are Georgia, straight Eastern. 320-349 is Florida, of which a small portion is Central and the rest Eastern. 350-369 and 386-398 are Alabama and Mississippi, respectively, straight Central. Finally, 370-385 is Tennessee, again split but this time with a majority in Central.

So the fundamental problem is to first identify the place covered by a given point, then put that point in a time zone. 

-----Original Message-----
From: Olson, Arthur David (NIH/NCI) [E] [mailto:olsona at dc37a.nci.nih.gov] 
Sent: Thursday 23 October 2008 10:21
To: tz at lecserver.nci.nih.gov
Cc: heaivilin at hotmail.com
Subject: FW: list

I'm forwarding this message from Nathan Heaivilin, who is not on the time zone mailing list. Those of you who are on the list, please direct replies appropriately.

				--ado

From: Nathan Heaivilin [mailto:heaivilin at hotmail.com]
Sent: Wednesday, October 22, 2008 10:33
To: tz at lecserver.nci.nih.gov
Subject: list

To Whom it May Concern,
 
I am trying to find a world list of Time Zones by Zip Codes  and/or Area Code(and their respective foreign number) in sometype of downloadable format (CSV, XML, Excel, etc).  
 
Example:
 
USA    33647    -6:00 GST
USA    95400    -9:00 GST
Europe    xxxxx    -x:xx GST
Africa    xxxxx    +x:00  GST
 
 
Does something like this exist?  If so, do you have a copy available for download?  If not, do you know where I can get it.  Just trying to figure out a way to tie an address or phone number anywhere in the world to a time zone.
 
Thank you very much for all of your assistance.
 
Sincerely,
 
Nathan Heaivilin





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