Table of City/State/Zip or Software

[Namsha]

Looking for tables of information on City/State/Zip or Software that has all the Cities in any country along with Zip codes in order to make my database more efficient. Thanks for any and all your help in advance I can expect anything and everything of myself;
But can only accept or reject what you have to offer!

 

[zevw]

try

http://www.zipinfo.com/

or

http://www.usps.com/ncsc/addressinfo/zipcodedirectories.htm