NPA-NXX - 318-503

This is the 318-503 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. 318
3. 318-503

The 318-503 subcode mainly covers Monroe in Ouachita 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 Miscellaneous registered to Sprint. 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 153720 comments across our systems for the 318-503 subcode.