Modern technologies have brought the world closer together. Years ago pen pals communicated primarily through letter writing. Today there are many more alternatives. They are much faster than usual mail and are still cheap or even free. They include email, fax, text chat or voice chat, text messaging, or video conferencing via the Internet. They don't even require a pen.
Finding a foreign language penpal is easy. Many online services exist that will allow you to find a penpal request. Also, you can search databases for penpals suitable to your language needs, age, and interests. You can find a partner for nearly every language.