Free Internet Access in USA:

• NetZero
  Free Internet Access and Email nationwide for the "price" of a permanent banner ad box somewhere on your screen!
  
  
• Freei.net
  Freei.Net now offers 100% free Internet and email services in the Chicago, Los Angeles, San Francisco, Seattle, and Washington, DC areas, and they're constantly expanding!
  
• FreePPP
  Free ISDN access to the Internet limited to area code 212.
  
  
• Tritium.Net
  Free internet access (ad supported) nationally across the US via local access numbers.