Navigation Links
On-campus calls
Dial the last five digits of the telephone number from internal phone exchanges:
Users of the AT&T Legacy Centrex analog phone service will need to dial 8 + the full 7-digit number to reach on-campus numbers that they previously were able to reach with 5 digits.
- Phone Numbers with a first digit of 2 will need to be dialed as 8-432-xxxx. For example, 2-1234 will need to be dialed as 8-432-1234
- Phone Numbers with a first digit of 3 will need to be dialed as 8-353-xxxx. For example, 3-1234 will need to be dialed as 8-353-1234
- Phone Numbers with a first digit of 4 will need to be dialed as 8-884-xxxx. For example, 4-1234 will need to be dialed as 8-884-1234
- Phone Numbers with a first digit of 5 will need to be dialed as 8-353-xxxx. For example, 5-1234 will need to be dialed as 8-355-1234
Users affected by this will hear the message “You have reached a non-working number at Michigan State University” when they dial 5-digit numbers.
Return to Top
Off-campus calls
Departments are charged for long-distance charges.
Local dialing
Dial 8, then the seven-digit telephone number. Includes:
- Bath;
- Dewitt;
- Dimondale;
- East Lansing;
- Eaton Rapids;
- Grand Ledge;
- Holt;
- Laingsburg;
- Lansing;
- Mason;
- Perry;
- Potterville;
- Shaftsburg;
- Wacousta; and
- Williamston.
Return to Top
Long-distance dialing
Dial 8 + 1 + (area code) + (seven-digit telephone number) for continental US and Canada
Return to Top
International dialing
Dial 8 + 011 + (country code) + (city code) + (local telephone number)
Use International dialing code online directory (link) to search for country codes for long-distance dialing.
Return to Top
Toll-free number
Dial 8 + 1 + (800/866/877/888) + (seven-digit telephone number)
Return to Top
University Operator
Dial 0
Return to Top
Personal long-distance calls
Personal long-distance calls should not be placed from campus phone numbers without approval.
Return to Top