NPA-NXX - 337-990

This is the 337-990 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. 337
3. 337-990

The 337-990 subcode mainly covers Lake Charles in Calcasieu county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Louisiana 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 Louisiana office.
Recently there have been an increase in reported calls, we've had over 192768 comments across our systems for the 337-990 subcode.