Lucian's Penfriend Club 
View databases to find a pen friend. Includes list of members and fun page.
http://www.geocities.com/lucian_penfriend_club/Kids' Space Connection
Find penpals from around the world. A child safe site devoted to children's communication.
http://www.ks-connection.org/
KidsCom
An educational, entertaining playground for kids 4 to 15. Find a Key Pal and share opinions, stories and video game tips and tricks.
http://www.kidscom.com/?
Kids Media Club
A site for children age 3 to 15 to have fun and find friends
http://www.kidsmc.com/penpal/index.html
Penpals Online
A place for teens to chat, post ads and email other teens.
http://penpalsonline.com
Room 108 Pen Pals Page
Provides a list of kids looking for a pen pal. Categorized by North America and Outside North America.
http://www.netrover.com/~kingskid/snake.html
My Kids
Email pals from Russia.
http://www.mykids.narod.ru/detyam/klub_druzeyeng.htm
