NPA-NXX - 423-939

This is the 423-939 subcode (NPA-NXX) prefix page. Follow a prefix to find the number you are looking for. We divide our pages up to make them more user friendly to navigate!

1. Area Codes
2. 423
3. 423-939

The 423-939 subcode mainly covers Jasper in Marion county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Tennessee state. Many of the numbers in this subcode are Regular Landline registered to Network Telephone Corporation. We hear they employ a large number of people in the Tennessee office.
Recently there have been an increase in reported calls, we've had over 28237 comments across our systems for the 423-939 subcode.