Abbreviated Dialing Codes
Abbreviated dialing codes (N11) were designated by the Federal Communications Commission (FCC) for communities to use for providing easy access to services.
There is a per call charge for 411 General Directory Assistance; there are no charges for using the other abbreviated numbers.
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Dialing Availability by Campus |
| N11 Code |
Description |
Ann Arbor* |
Dearborn |
Flint |
| 211 |
Community Info & Referral Services |
9 + 211 |
9 + 211 |
N/A |
| |
Information about local health and human services agencies. |
| 311 |
Non-emergency Police Services |
N/A |
N/A |
311 |
| |
Flint has a special on-campus 311 dialing code that connects to a non-emergency number at the campus Department of Public Safety (DPS). The code is not active for off-campus users. |
| 411 |
General Directory Assistance |
9 + 411 |
9 + 411 |
9 + 411 |
| 511 |
Traffic and Transportation Information |
N/A |
N/A |
N/A |
| 611 |
Unassigned |
N/A |
N/A |
N/A |
| 711 |
Telecommunications Relay Services (TRS) |
9 + 711 |
9 + 711 |
9 + 711 |
| |
Operator assistance for persons with a hearing or speech disability to use the telephone via a text telephone (TTY). |
| 811 |
Underground Utility Safety |
9 + 811 |
9 + 811 |
9 + 811 |
| |
Help in determining location of underground utility lines; MISS DIG in Michigan. |
| 911 |
Emergency |
911 |
911 |
911 |
| |
On-campus 911 connects to an emergency number at the campus Department of Public Safety (DPS).
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*When calling from a University Housing Residence Hall Room or Northwood Community Apartment, do not dial 9. Simply dial the 3-digit number.
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