Calling from US:
Netherlands: 011 + 31 + local number [leave off first "0"]
Safety Issues in Amsterdam:
Amsterdam is probably safer than most large American cities. Exercise caution, however, in the areas around the main train station, the red light district and the Dam Square.
Flying into Amsterdam:
Amsterdam Airport (Schipol) is located only 8 miles from Amsterdam and has frequent direct trains to the city as well as trains to Brussels and Paris.
Train Tickets for the Netherlands and Luxembourg and rail passes can be purchased in the United States at Rail Europe