NPA-NXX - 450-403

This is the 450-403 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. 450
3. 450-403

The 450-403 subcode mainly covers Chambly in La Vallée-du-richelieu 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 Videotron Business Solutions. 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 116773 comments across our systems for the 450-403 subcode.