This page provides information about the telephone numbers you can reach using your USC telephone.

Most USC telephones are assigned an access level of 7, which means they can be used to call the telephone numbers listed for levels 1 through 7 on the chart below.

Access Level			Calling Capability
1			911 and campus only. Press 0 for a campus or outside operator. Press 00 to dial toll-free numbers.
2			All USC Housing buildings
3			Limited local exchange – 12-mile radius
4			800, 877, and 888 numbers
5			411
6			Local AT&T service area including local information dialing (555-1212), excluding area codes: 619/661/714/760/805/909/949
7			UPC and HSC campuses and 714/909/949 area codes including local information (555-1212) dialing
8			Area codes including 700 and 900
9			All Southern California area codes, 619/661/714/760/805/909/949, including local information (555-1212) dialing
10			All of California including local information (555-1212) dialing
11			Pacific and Mountain time zones in the Continental United States including local information (555-1212) dialing
12			Central time zone in the Continental United States including local information (555-1212) dialing
13			Eastern and Atlantic time zones in the Continental United States including local information (555-1212) dialing
14			North America including Hawaii and the Caribbean time zones
15			International (unrestricted)

Note: All 976 prefixes and 611 will be restricted from any campus phone.

Getting Help

For more information on calling capabilities and access levels or to request a change in your calling access level, please submit a request via a Communication Service Request (CSR) (USC Login Required).