>>> 3. There are some 3rd party CASS services, as in #2, which are subscription based web services. These do not require any updates to local postal data, but charge on a per/transaction basis. Depending on volume, this could get expensive.
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>Thank you so much Dan. Seems like # 3 is what would prbably work for me.
>I would appreciate the links if you still have them.

It's been awhile since I looked. This is the only link I can currently find, but I know there are a few others out there.:

http://www.melissadata.com/DQT/xml.htm



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>Also, if you have any sample code for Posting/Parsing, it would come real handy.
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>Thanks Again.