Hi Richard,
The long and short of it is that yes, this will eventually get picked up as duplicate content and devalued, but moreover, if you upload the same video multiple times, you will be diluting the amount of potential views each version will get and therefore hampering the rankings on YT, Google video and Google organic.
Therefore, I would strongly recommend against uploading duplicate versions with differing meta-elements. What is the ultimate goal of these videos? Are you trying to get blended results to YT through submitting video- site-maps? Or are you trying to rank on YouTube for a variety of long-tail terms?
Either way, duplicate content won't be the way to go. I would either recommend optimising a single video for a host of long tail terms by building lots of strong anchor text links to it and hosting the video on a page on your own site which has a list of relevant phone numbers/addresses in the source but only delivers a single one to a human visitor based on IP?
Or, if you want to make lots of videos - they will all need to be broadly different so there is value in watching the whole series for any given user. The best way to do that is to take a simple concept and then just scale it by having duplicated branded wrapping and differing the internal content, such as with the following example, which I built last week: http://www.youtube.com/playlist?list=PLDCBEEAFF5571810B&feature=view_all
Those were made entirely within one day, without any expensive software, so it is possible to scale unique videos. If you do something like this, then you could add different phone numbers and addresses in the meta-data and tagging. Your channel actually has lots of good unique content, so I think you'll be best off sticking down this route and just scaling your production further.
Thanks,
Phil