NPA-NXX - 579-740

This is the 579-740 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. 579
3. 579-740

The 579-740 subcode mainly covers Joliette in Joliette county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Quebec state. Many of the numbers in this subcode are Regular Landline registered to Comwave Networks. We hear they employ a large number of people in the Quebec office.
Recently there have been an increase in reported calls, we've had over 63551 comments across our systems for the 579-740 subcode.