NPA-NXX - 219-378

This is the 219-378 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. 219
3. 219-378

The 219-378 subcode mainly covers East Chicago in Lake 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 At&t Indiana. 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 496005 comments across our systems for the 219-378 subcode.