I'm sorry for any issues you have experienced trying to reach our support teams. We do provide support right here in the Community as well as through our Twitter handle.
I would be happy to assist you with any inquiry you have. You can also reach us at social_support(at)constantcontact(dot)com with your username, your inquiry, and a reference to this post and we can investigate for you.
As for our chat support, are you receiving any error messages when trying to connect? Any information you can provide will assist us in trying to figure out what is going on.