NPA-NXX - 409-543

This is the 409-543 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. 409
3. 409-543

The 409-543 subcode mainly covers Port Arthur in Jefferson county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Texas state. Many of the numbers in this subcode are Miscellaneous registered to Sprint. We hear they employ a large number of people in the Texas office.
Recently there have been an increase in reported calls, we've had over 252273 comments across our systems for the 409-543 subcode.