Am 23.09.2011 04:26, NoOp wrote:
On 09/22/2011 01:40 AM, Andreas Säger wrote:
This is impossible because big cities have more than one ZIP and there
are ambiguous city names.
Actually it's not if you have (in the US) the USPS 5 digit Zip Code
database:
https://www.usps.com/business/address-information-systems.htm#
Five-Digit ZIP® Product
I have this list  of all USPS zip codes in a .dbf file.
http://www.mediafire.com/?cb2tw57jxw32khg
A database can help you to find the zip by full address. For logical 
reasons you can not get the right zip from a city name, but you always 
get the city name from the zip.
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