- City / exchange
- Kingsport
- Province / state
- Tennessee
- Country
- United States
- Carrier
- Level 3 Communications, LLC - Tn
- Line type
- Likely VoIP / virtual number
- OCN
- 4806
- Status
- In Service
- Number pooling
- Yes (block shared between carriers)
423-723 phone numbers
Kingsport, Tennessee, United States · Level 3 Communications, LLC - Tn
Reported numbers in 423-723
No numbers in this block have been reported by visitors yet.
What does the 423-723 prefix tell you?
Every North American number is area code + prefix + line. The prefix 423-723 was assigned to Level 3 Communications, LLC - Tn on an unknown date for the Kingsport exchange. A call from this block usually originates from a Level 3 Communications, LLC - Tn customer in or near Kingsport, but caller ID can be spoofed to show any number.