Service KBAs Local, Domestic and International Calling Articles Fees and Billing About Telephone Authorization Codes FAQ Common Tasks Using Directory Assistance Completing Campus, Local and Long Distance Calls Making Calls From the Geneva Experiment Station Making 800, 888 (toll-free), or 900 Calls Making Calling Card Calls Using an Account Code or Authorization Code to Make a Call Making Collect and Third-Number Billed Calls Telephone Authorization Codes FAQ Get Support for Long Distance Calling Using Speed Dial Numbers Troubleshooting Why Can't I Dial Long-Distance or International Calls?