UO Telephone Dialing Instructions

The area code: 541 ............... The prefix: 346

Oregon University System Telephone Dialing Changes 12 dialed digits are required to call telephone extensions at other Oregon University System (OUS) campuses.

• Emergency Assistance
• Directory Assistance
• Local Calls from Campus Lines & Local Calling Prefixes
• Toll-free and Chargeable calls from Campus Lines
1. US and Canadian Dialing
2. International Dialing
3. Toll-Free Dialing
• Fax Machines Dialing Instructions
• Modem Dialing Instructions
• Authorization Codes
• Departmental AT&T Calling Cards
• Conference Calls
• Voice Mail