NPA-NXX - 812-231

This is the 812-231 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. 812
3. 812-231

The 812-231 subcode mainly covers Terre Haute in Vigo county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Indiana state. Many of the numbers in this subcode are Regular Landline registered to Frontier. We hear they employ a large number of people in the Indiana office.
Recently there have been an increase in reported calls, we've had over 107848 comments across our systems for the 812-231 subcode.