Directory Assistance

• NIU Directory and Information:  1-815-753-1000
• NIU Voice Directory:  1-815-753-4000 for 24/7/365 information on students (on and off campus), faculty, staff, and departments
• DeKalb-Sycamore Directory Assistance:  1 + 411
• Assistance in DeKalb-Sycamore 815 or 779 area:  1 + (815 or 779) + 555 + 1212
• Outside of 815 or 779 Area:   1+ area code + 555 + 1212
• Area Codes from the NIU operator:   0
• International Directory Assistance:   1 - 800 - 225 - 5288, and select the option for assistance on  00 (international) assistance. Be prepared with a credit card as this is a billable service.
• 800 Directory Assistance:  1 + 800 + 555 + 1212

You have a right to access your preferred carrier when placing a call. Contact your carrier directly for access information.  Northern Illinois University's service provider is Frontier.

Customers can direct phone inquiries to:
FCC Enforcement Division
CCB, Mail Stop 1600A2
Washington, DC  20554