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Dial Plan

The University of Oregon Eugene campus has an area code 541, prefix 346-0000 extended to 346-9999, and prefix 681-0000 extended to 681-2999.

The University of Oregon Portland campus has an area code 503 and phone numbers are assigned from the prefix 412-0460 through 412-0479, prefix 412-3650 through 412-3809 and prefix 345-0440 through 345-0459. Calls made between the Eugene campus and the Portland Center (White Stag Building) using University phones should be dialed using the 5 digit extension number.