- City / exchange
- De Kalb
- Province / state
- Illinois
- Country
- United States
- Carrier
- AT&T Enterprises, LLC
- Line type
- Landline or business line
- OCN
- 516C
- Status
- In Service
- Assigned
- 02/03/2026
- Number pooling
- Yes (block shared between carriers)
779-446 phone numbers
De Kalb, Illinois, United States · AT&T Enterprises, LLC
Reported numbers in 779-446
No numbers in this block have been reported by visitors yet.
What does the 779-446 prefix tell you?
Every North American number is area code + prefix + line. The prefix 779-446 was assigned to AT&T Enterprises, LLC on 02/03/2026 for the De Kalb exchange. A call from this block usually originates from a AT&T Enterprises, LLC customer in or near De Kalb, but caller ID can be spoofed to show any number.