Yeah, anywhere you can buy phone cards....Romeros, Mandarin, Alto Dorado, Ivan's, etc. If you have trouble just ask the salesperson to add them for you.
The only thing I can think of, is to go around to the beauty salons and see if they know anyone. The only catalog I have seen here was a secretary for the development, and she is long gone.
Our PR box just failed. We were told that Directv is going to new technology and our satellite receivers would no longer work. Also we could not get back our deposit because Directv PR doesn't want the old ones back......