The U-M Phone System
Using the Phone System
University campus telephone numbers begin with a 565, 615, 647, 763, 764, 936, or 998 prefix, and are all located in the 734 area code.
- For most calls from one campus phone to another, omit the first two digits (61, 64, 76, 93, or 99) and dial only the last five digits. To make a call to the 565 exchange, you must dial all seven digits.
- To make domestic or international long distance calls, or local calls, when dialing from an on-campus phone dial “9” and continue as from a regular phone. To make an International Directory Assistance call, dial the University operator for help.
- If you wish to reach the University operator, dial “0” from a campus phone or 764-1817 from a non-campus phone.
- From campus phones, dial 9-1-1 in an emergency to reach the Department of Public Safety (you don’t need to dial “9” first, like you normally would for off-campus calls); call 763-1131 in non-emergency situations. You may also contact Public Safety by simply lifting the receiver of the University’s Emergency Phones located across campus. On non-campus phones, the emergency number is also 9-1-1.
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