Kay, darling: Google is your friend. (http://maps.google.com/maps?client=safari&rls=en&q=02130%20laundromat&oe=UTF-8&ie=UTF-8&sa=N&tab=wl)

And you can just wash stuff in the sink with a little dish soap (or if need be, shampoo), rinse them under the tap and hang them over the shower curtain. I do it all the time. :-D