Recycling LDPE 04 foam packing in Dallas

The Low Density Polyethylene LDPE 04 packaging materials look like this:


Apparently, these can be recycled in large quantities (via business-to-business resale, not suitable for average households)
http://www.recycle.net/Plastic/ldpe/ - this is a community of commercial recyclers

Here is the advice from the recyclers' association. The advice basically boils down to: there are very few recycling location, so mailing the stuff may be the only economically sensible thing to do:
http://www.epspackaging.org/index.php?option=com_content&view=article&id=8&Itemid=4

Drop-off centers:

For an average home owner, Austin has a good recycling facility
http://www.austinchronicle.com/news/2008-04-18/613670/

I was not able to find any other information on LDPE 04 recycling in other cities yet