You cannot, but to tell you the truth, Neopets only asks for your neohome address just to be like "real banks". They don't regard your neohome address or your job in the future, only how much you put in to start your bank account so they know how much interest to give you, your gender … Read more
There are all sorts of websites that let you text from the computer. Here is one: textforfree.net
For more, google "text online" or something like that.