Here are some other calendars I have found with dancing information

Blues Cal (global - highly recommended)
Swing Plan It (global)
Dexter Santos (instructor)
Cory Flowers (instructor, OH)
Blues Spark (NY)
Cleveland Swings (Cleveland, OH)
Get Hep Swing (Cleveland, OH)
Oberlin Swing (Oberlin, OH)
Contra Dance (OH)

For more you can browse on Google too!