Reading 2600  
   Pennsylvania group. Meeting information and links.
   http://www.geocities.com/sixoneoh2600

Las Vegas, NV 2600  
   First friday of every month at 8PM in the Wow Superstore located at Sahara + Decatur.
   http://www.nevadaunderground.org/

Los Angeles 2600  
   One of the longest-running and most active 2600 meetings, complete with information on how to find it and reviews of past meetings.
   http://www.la2600.org

San Francisco 2600  
   Where hackers, crackers, phreaks, and geeks hang out and discuss technology and network security with other like-minded folks.
   http://www.sf2600.org/

2600 Tucson The Hackers Quartlery  
   Held weekly, topics covered include teaching and learning about hacking, technology security, networking, and lots of other stuff too.
   http://www.2600tucson.com

Western Massachusetts 2600 chapter  
   Place for pictures and information pertinent to the monthly 2600 meetings held in Western Massachusetts.
   http://www.ma2600.org

Toronto 2600  
   Canada's Largest Hacking and Phreaking meetings. Picking up where the great Hack Canada left the Edmonton 2600 meetings in 2002.
   http://www.to2600.org