Telco Links:
- Identify NPA-NXX (location and RBOC)
- Identify NPA-NXX (CLLI info)
- Identify location of NPA NXX Central Office
- Distance between NPA NXXs
- Local Calling Area by NPA NXX (Ameritech in IL, IN, MI, OH, and WS)
- Central Office Find (QWest)
- Area Code Info
- UUNet Maintenance
- AT&T Current Performance
- AT&T Backbone Performance
- Major Backbones

Tools:
- Sam Spade
- Driving distance between cities